217928100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:239

約数の個数: 288

約数和(自身を含む): 761201280

約数和(自身を除く): 543273180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 19, 20, 25, 26, 30, 34, 38, 39, 50, 51, 52, 57, 60, 65, 68, 75, 76, 78, 85, 95, 100, 102, 114, 130, 150, 156, 170, 173, 190, 195, 204, 221, 228, 247, 255, 260, 285, 300, 323, 325, 340, 346, 380, 390, 425, 442, 475, 494, 510, 519, 570, 646, 650, 663, 692, 741, 780, 850, 865, 884, 950, 969, 975, 988, 1020, 1038, 1105, 1140, 1235, 1275, 1292, 1300, 1326, 1425, 1482, 1615, 1700, 1730, 1900, 1938, 1950, 2076, 2210, 2249, 2470, 2550, 2595, 2652, 2850, 2941, 2964, 3230, 3287, 3315, 3460, 3705, 3876, 3900, 4199, 4325, 4420, 4498, 4845, 4940, 5100, 5190, 5525, 5700, 5882, 6175, 6460, 6574, 6630, 6747, 7410, 8075, 8398, 8650, 8823, 8996, 9690, 9861, 10380, 11050, 11245, 11764, 12350, 12597, 12975, 13148, 13260, 13494, 14705, 14820, 16150, 16435, 16575, 16796, 17300, 17646, 18525, 19380, 19722, 20995, 22100, 22490, 24225, 24700, 25194, 25950, 26988, 29410, 32300, 32870, 33150, 33735, 35292, 37050, 38233, 39444, 41990, 42731, 44115, 44980, 48450, 49305, 50388, 51900, 55879, 56225, 58820, 62985, 65740, 66300, 67470, 73525, 74100, 76466, 82175, 83980, 85462, 88230, 96900, 98610, 104975, 111758, 112450, 114699, 125970, 128193, 134940, 147050, 152932, 164350, 167637, 168675, 170924, 176460, 191165, 197220, 209950, 213655, 220575, 223516, 224900, 229398, 246525, 251940, 256386, 279395, 294100, 314925, 328700, 335274, 337350, 382330, 419900, 427310, 441150, 458796, 493050, 512772, 558790, 573495, 629850, 640965, 670548, 674700, 726427, 764660, 838185, 854620, 882300, 955825, 986100, 1068275, 1117580, 1146990, 1259700, 1281930, 1396975, 1452854, 1676370, 1911650, 2136550, 2179281, 2293980, 2563860, 2793950, 2867475, 2905708, 3204825, 3352740, 3632135, 3823300, 4190925, 4273100, 4358562, 5587900, 5734950, 6409650, 7264270, 8381850, 8717124, 10896405, 11469900, 12819300, 14528540, 16763700, 18160675, 21792810, 36321350, 43585620, 54482025, 72642700, 108964050, 217928100]

約数ペア:

[(1, 217928100), (2, 108964050), (3, 72642700), (4, 54482025), (5, 43585620), (6, 36321350), (10, 21792810), (12, 18160675), (13, 16763700), (15, 14528540), (17, 12819300), (19, 11469900), (20, 10896405), (25, 8717124), (26, 8381850), (30, 7264270), (34, 6409650), (38, 5734950), (39, 5587900), (50, 4358562), (51, 4273100), (52, 4190925), (57, 3823300), (60, 3632135), (65, 3352740), (68, 3204825), (75, 2905708), (76, 2867475), (78, 2793950), (85, 2563860), (95, 2293980), (100, 2179281), (102, 2136550), (114, 1911650), (130, 1676370), (150, 1452854), (156, 1396975), (170, 1281930), (173, 1259700), (190, 1146990), (195, 1117580), (204, 1068275), (221, 986100), (228, 955825), (247, 882300), (255, 854620), (260, 838185), (285, 764660), (300, 726427), (323, 674700), (325, 670548), (340, 640965), (346, 629850), (380, 573495), (390, 558790), (425, 512772), (442, 493050), (475, 458796), (494, 441150), (510, 427310), (519, 419900), (570, 382330), (646, 337350), (650, 335274), (663, 328700), (692, 314925), (741, 294100), (780, 279395), (850, 256386), (865, 251940), (884, 246525), (950, 229398), (969, 224900), (975, 223516), (988, 220575), (1020, 213655), (1038, 209950), (1105, 197220), (1140, 191165), (1235, 176460), (1275, 170924), (1292, 168675), (1300, 167637), (1326, 164350), (1425, 152932), (1482, 147050), (1615, 134940), (1700, 128193), (1730, 125970), (1900, 114699), (1938, 112450), (1950, 111758), (2076, 104975), (2210, 98610), (2249, 96900), (2470, 88230), (2550, 85462), (2595, 83980), (2652, 82175), (2850, 76466), (2941, 74100), (2964, 73525), (3230, 67470), (3287, 66300), (3315, 65740), (3460, 62985), (3705, 58820), (3876, 56225), (3900, 55879), (4199, 51900), (4325, 50388), (4420, 49305), (4498, 48450), (4845, 44980), (4940, 44115), (5100, 42731), (5190, 41990), (5525, 39444), (5700, 38233), (5882, 37050), (6175, 35292), (6460, 33735), (6574, 33150), (6630, 32870), (6747, 32300), (7410, 29410), (8075, 26988), (8398, 25950), (8650, 25194), (8823, 24700), (8996, 24225), (9690, 22490), (9861, 22100), (10380, 20995), (11050, 19722), (11245, 19380), (11764, 18525), (12350, 17646), (12597, 17300), (12975, 16796), (13148, 16575), (13260, 16435), (13494, 16150), (14705, 14820)]