221846820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{7687}}^1$

素因数の和:7749

約数の個数: 96

約数和(自身を含む): 687122688

約数和(自身を除く): 465275868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 37, 39, 52, 60, 65, 74, 78, 111, 130, 148, 156, 185, 195, 222, 260, 370, 390, 444, 481, 555, 740, 780, 962, 1110, 1443, 1924, 2220, 2405, 2886, 4810, 5772, 7215, 7687, 9620, 14430, 15374, 23061, 28860, 30748, 38435, 46122, 76870, 92244, 99931, 115305, 153740, 199862, 230610, 284419, 299793, 399724, 461220, 499655, 568838, 599586, 853257, 999310, 1137676, 1199172, 1422095, 1498965, 1706514, 1998620, 2844190, 2997930, 3413028, 3697447, 4266285, 5688380, 5995860, 7394894, 8532570, 11092341, 14789788, 17065140, 18487235, 22184682, 36974470, 44369364, 55461705, 73948940, 110923410, 221846820]

約数ペア:

[(1, 221846820), (2, 110923410), (3, 73948940), (4, 55461705), (5, 44369364), (6, 36974470), (10, 22184682), (12, 18487235), (13, 17065140), (15, 14789788), (20, 11092341), (26, 8532570), (30, 7394894), (37, 5995860), (39, 5688380), (52, 4266285), (60, 3697447), (65, 3413028), (74, 2997930), (78, 2844190), (111, 1998620), (130, 1706514), (148, 1498965), (156, 1422095), (185, 1199172), (195, 1137676), (222, 999310), (260, 853257), (370, 599586), (390, 568838), (444, 499655), (481, 461220), (555, 399724), (740, 299793), (780, 284419), (962, 230610), (1110, 199862), (1443, 153740), (1924, 115305), (2220, 99931), (2405, 92244), (2886, 76870), (4810, 46122), (5772, 38435), (7215, 30748), (7687, 28860), (9620, 23061), (14430, 15374)]