644325770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:240

約数の個数: 128

約数和(自身を含む): 1382883840

約数和(自身を除く): 738558070

約数列:

[1, 2, 5, 10, 11, 22, 29, 37, 53, 55, 58, 74, 103, 106, 110, 145, 185, 206, 265, 290, 319, 370, 407, 515, 530, 583, 638, 814, 1030, 1073, 1133, 1166, 1537, 1595, 1961, 2035, 2146, 2266, 2915, 2987, 3074, 3190, 3811, 3922, 4070, 5365, 5459, 5665, 5830, 5974, 7622, 7685, 9805, 10730, 10918, 11330, 11803, 14935, 15370, 16907, 19055, 19610, 21571, 23606, 27295, 29870, 32857, 33814, 38110, 41921, 43142, 54590, 56869, 59015, 60049, 65714, 83842, 84535, 107855, 110519, 113738, 118030, 120098, 158311, 164285, 169070, 201983, 209605, 215710, 221038, 284345, 300245, 316622, 328570, 403966, 419210, 552595, 568690, 600490, 625559, 791555, 1009915, 1105190, 1215709, 1251118, 1583110, 1741421, 2019830, 2221813, 2431418, 3127795, 3482842, 4443626, 5857507, 6078545, 6255590, 8707105, 11109065, 11715014, 12157090, 17414210, 22218130, 29287535, 58575070, 64432577, 128865154, 322162885, 644325770]

約数ペア:

[(1, 644325770), (2, 322162885), (5, 128865154), (10, 64432577), (11, 58575070), (22, 29287535), (29, 22218130), (37, 17414210), (53, 12157090), (55, 11715014), (58, 11109065), (74, 8707105), (103, 6255590), (106, 6078545), (110, 5857507), (145, 4443626), (185, 3482842), (206, 3127795), (265, 2431418), (290, 2221813), (319, 2019830), (370, 1741421), (407, 1583110), (515, 1251118), (530, 1215709), (583, 1105190), (638, 1009915), (814, 791555), (1030, 625559), (1073, 600490), (1133, 568690), (1166, 552595), (1537, 419210), (1595, 403966), (1961, 328570), (2035, 316622), (2146, 300245), (2266, 284345), (2915, 221038), (2987, 215710), (3074, 209605), (3190, 201983), (3811, 169070), (3922, 164285), (4070, 158311), (5365, 120098), (5459, 118030), (5665, 113738), (5830, 110519), (5974, 107855), (7622, 84535), (7685, 83842), (9805, 65714), (10730, 60049), (10918, 59015), (11330, 56869), (11803, 54590), (14935, 43142), (15370, 41921), (16907, 38110), (19055, 33814), (19610, 32857), (21571, 29870), (23606, 27295)]