208580820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:390

約数の個数: 192

約数和(自身を含む): 715309056

約数和(自身を除く): 506728236

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 131, 140, 170, 204, 210, 223, 238, 255, 262, 340, 357, 393, 420, 446, 476, 510, 524, 595, 655, 669, 714, 786, 892, 917, 1020, 1115, 1190, 1310, 1338, 1428, 1561, 1572, 1785, 1834, 1965, 2227, 2230, 2380, 2620, 2676, 2751, 3122, 3345, 3570, 3668, 3791, 3930, 4454, 4460, 4585, 4683, 5502, 6244, 6681, 6690, 7140, 7582, 7805, 7860, 8908, 9170, 9366, 11004, 11135, 11373, 13362, 13380, 13755, 15164, 15589, 15610, 18340, 18732, 18955, 22270, 22746, 23415, 26537, 26724, 27510, 29213, 31178, 31220, 33405, 37910, 44540, 45492, 46767, 46830, 53074, 55020, 56865, 58426, 62356, 66810, 75820, 77945, 79611, 87639, 93534, 93660, 106148, 113730, 116852, 132685, 133620, 146065, 155890, 159222, 175278, 187068, 204491, 227460, 233835, 265370, 292130, 311780, 318444, 350556, 398055, 408982, 438195, 467670, 496621, 530740, 584260, 613473, 796110, 817964, 876390, 935340, 993242, 1022455, 1226946, 1489863, 1592220, 1752780, 1986484, 2044910, 2453892, 2483105, 2979726, 3067365, 3476347, 4089820, 4966210, 5959452, 6134730, 6952694, 7449315, 9932420, 10429041, 12269460, 13905388, 14898630, 17381735, 20858082, 29797260, 34763470, 41716164, 52145205, 69526940, 104290410, 208580820]

約数ペア:

[(1, 208580820), (2, 104290410), (3, 69526940), (4, 52145205), (5, 41716164), (6, 34763470), (7, 29797260), (10, 20858082), (12, 17381735), (14, 14898630), (15, 13905388), (17, 12269460), (20, 10429041), (21, 9932420), (28, 7449315), (30, 6952694), (34, 6134730), (35, 5959452), (42, 4966210), (51, 4089820), (60, 3476347), (68, 3067365), (70, 2979726), (84, 2483105), (85, 2453892), (102, 2044910), (105, 1986484), (119, 1752780), (131, 1592220), (140, 1489863), (170, 1226946), (204, 1022455), (210, 993242), (223, 935340), (238, 876390), (255, 817964), (262, 796110), (340, 613473), (357, 584260), (393, 530740), (420, 496621), (446, 467670), (476, 438195), (510, 408982), (524, 398055), (595, 350556), (655, 318444), (669, 311780), (714, 292130), (786, 265370), (892, 233835), (917, 227460), (1020, 204491), (1115, 187068), (1190, 175278), (1310, 159222), (1338, 155890), (1428, 146065), (1561, 133620), (1572, 132685), (1785, 116852), (1834, 113730), (1965, 106148), (2227, 93660), (2230, 93534), (2380, 87639), (2620, 79611), (2676, 77945), (2751, 75820), (3122, 66810), (3345, 62356), (3570, 58426), (3668, 56865), (3791, 55020), (3930, 53074), (4454, 46830), (4460, 46767), (4585, 45492), (4683, 44540), (5502, 37910), (6244, 33405), (6681, 31220), (6690, 31178), (7140, 29213), (7582, 27510), (7805, 26724), (7860, 26537), (8908, 23415), (9170, 22746), (9366, 22270), (11004, 18955), (11135, 18732), (11373, 18340), (13362, 15610), (13380, 15589), (13755, 15164)]