About the Number

1211800380

1211800379 ← → 1211800381

2進数表記:1001000001110101001101100111100

漢数字表記:十二億千百八十万三百八十

素因数分解:

2 2 × 3 1 × 5 1 × 7 2 × 29 1 × 61 1 × 233 1

素因数の和:349
約数の個数: 288
約数和(自身を含む): 4167858240
約数和(自身を除く): 2956057860

約数列:
[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 49, 58, 60, 61, 70, 84, 87, 98, 105, 116, 122, 140, 145, 147, 174, 183, 196, 203, 210, 233, 244, 245, 290, 294, 305, 348, 366, 406, 420, 427, 435, 466, 490, 580, 588, 609, 610, 699, 732, 735, 812, 854, 870, 915, 932, 980, 1015, 1165, 1218, 1220, 1281, 1398, 1421, 1470, 1631, 1708, 1740, 1769, 1830, 2030, 2135, 2330, 2436, 2562, 2796, 2842, 2940, 2989, 3045, 3262, 3495, 3538, 3660, 4060, 4263, 4270, 4660, 4893, 5124, 5307, 5684, 5978, 6090, 6405, 6524, 6757, 6990, 7076, 7105, 8155, 8526, 8540, 8845, 8967, 9786, 10614, 11417, 11956, 12180, 12383, 12810, 13514, 13980, 14210, 14213, 14945, 16310, 17052, 17690, 17934, 19572, 20271, 21228, 21315, 22834, 24465, 24766, 25620, 26535, 27028, 28420, 28426, 29890, 32620, 33785, 34251, 35380, 35868, 37149, 40542, 42630, 42639, 44835, 45668, 47299, 48930, 49532, 53070, 56852, 57085, 59780, 61915, 67570, 68502, 71065, 74298, 81084, 85260, 85278, 86681, 89670, 94598, 97860, 99491, 101355, 106140, 114170, 123830, 135140, 137004, 141897, 142130, 148596, 170556, 171255, 173362, 179340, 185745, 189196, 198982, 202710, 213195, 228340, 236495, 247660, 260043, 283794, 284260, 298473, 331093, 342510, 346724, 371490, 397964, 405420, 412177, 426390, 433405, 472990, 497455, 520086, 567588, 596946, 662186, 685020, 696437, 709485, 742980, 824354, 852780, 866810, 945980, 993279, 994910, 1040172, 1193892, 1236531, 1300215, 1324372, 1392874, 1418970, 1492365, 1648708, 1655465, 1733620, 1986558, 1989820, 2060885, 2089311, 2473062, 2600430, 2785748, 2837940, 2885239, 2984730, 3310930, 3482185, 3973116, 4121770, 4178622, 4946124, 4966395, 5200860, 5770478, 5969460, 6182655, 6621860, 6964370, 8243540, 8357244, 8655717, 9932790, 10446555, 11540956, 12365310, 13928740, 14426195, 17311434, 19865580, 20196673, 20893110, 24730620, 28852390, 34622868, 40393346, 41786220, 43278585, 57704780, 60590019, 80786692, 86557170, 100983365, 121180038, 173114340, 201966730, 242360076, 302950095, 403933460, 605900190, 1211800380]

約数ペア:
[(1, 1211800380), (2, 605900190), (3, 403933460), (4, 302950095), (5, 242360076), (6, 201966730), (7, 173114340), (10, 121180038), (12, 100983365), (14, 86557170), (15, 80786692), (20, 60590019), (21, 57704780), (28, 43278585), (29, 41786220), (30, 40393346), (35, 34622868), (42, 28852390), (49, 24730620), (58, 20893110), (60, 20196673), (61, 19865580), (70, 17311434), (84, 14426195), (87, 13928740), (98, 12365310), (105, 11540956), (116, 10446555), (122, 9932790), (140, 8655717), (145, 8357244), (147, 8243540), (174, 6964370), (183, 6621860), (196, 6182655), (203, 5969460), (210, 5770478), (233, 5200860), (244, 4966395), (245, 4946124), (290, 4178622), (294, 4121770), (305, 3973116), (348, 3482185), (366, 3310930), (406, 2984730), (420, 2885239), (427, 2837940), (435, 2785748), (466, 2600430), (490, 2473062), (580, 2089311), (588, 2060885), (609, 1989820), (610, 1986558), (699, 1733620), (732, 1655465), (735, 1648708), (812, 1492365), (854, 1418970), (870, 1392874), (915, 1324372), (932, 1300215), (980, 1236531), (1015, 1193892), (1165, 1040172), (1218, 994910), (1220, 993279), (1281, 945980), (1398, 866810), (1421, 852780), (1470, 824354), (1631, 742980), (1708, 709485), (1740, 696437), (1769, 685020), (1830, 662186), (2030, 596946), (2135, 567588), (2330, 520086), (2436, 497455), (2562, 472990), (2796, 433405), (2842, 426390), (2940, 412177), (2989, 405420), (3045, 397964), (3262, 371490), (3495, 346724), (3538, 342510), (3660, 331093), (4060, 298473), (4263, 284260), (4270, 283794), (4660, 260043), (4893, 247660), (5124, 236495), (5307, 228340), (5684, 213195), (5978, 202710), (6090, 198982), (6405, 189196), (6524, 185745), (6757, 179340), (6990, 173362), (7076, 171255), (7105, 170556), (8155, 148596), (8526, 142130), (8540, 141897), (8845, 137004), (8967, 135140), (9786, 123830), (10614, 114170), (11417, 106140), (11956, 101355), (12180, 99491), (12383, 97860), (12810, 94598), (13514, 89670), (13980, 86681), (14210, 85278), (14213, 85260), (14945, 81084), (16310, 74298), (17052, 71065), (17690, 68502), (17934, 67570), (19572, 61915), (20271, 59780), (21228, 57085), (21315, 56852), (22834, 53070), (24465, 49532), (24766, 48930), (25620, 47299), (26535, 45668), (27028, 44835), (28420, 42639), (28426, 42630), (29890, 40542), (32620, 37149), (33785, 35868), (34251, 35380)]

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