218567140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{2441}}^1$

素因数の和:2509

約数の個数: 72

約数和(自身を含む): 518358456

約数和(自身を除く): 299791316

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 121, 148, 185, 220, 242, 370, 407, 484, 605, 740, 814, 1210, 1628, 2035, 2420, 2441, 4070, 4477, 4882, 8140, 8954, 9764, 12205, 17908, 22385, 24410, 26851, 44770, 48820, 53702, 89540, 90317, 107404, 134255, 180634, 268510, 295361, 361268, 451585, 537020, 590722, 903170, 993487, 1181444, 1476805, 1806340, 1986974, 2953610, 3973948, 4967435, 5907220, 9934870, 10928357, 19869740, 21856714, 43713428, 54641785, 109283570, 218567140]

約数ペア:

[(1, 218567140), (2, 109283570), (4, 54641785), (5, 43713428), (10, 21856714), (11, 19869740), (20, 10928357), (22, 9934870), (37, 5907220), (44, 4967435), (55, 3973948), (74, 2953610), (110, 1986974), (121, 1806340), (148, 1476805), (185, 1181444), (220, 993487), (242, 903170), (370, 590722), (407, 537020), (484, 451585), (605, 361268), (740, 295361), (814, 268510), (1210, 180634), (1628, 134255), (2035, 107404), (2420, 90317), (2441, 89540), (4070, 53702), (4477, 48820), (4882, 44770), (8140, 26851), (8954, 24410), (9764, 22385), (12205, 17908)]