201222280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{19423}}^1$

素因数の和:19478

約数の個数: 64

約数和(自身を含む): 531440640

約数和(自身を除く): 330218360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 5180, 10360, 19423, 38846, 77692, 97115, 135961, 155384, 194230, 271922, 388460, 543844, 679805, 718651, 776920, 1087688, 1359610, 1437302, 2719220, 2874604, 3593255, 5030557, 5438440, 5749208, 7186510, 10061114, 14373020, 20122228, 25152785, 28746040, 40244456, 50305570, 100611140, 201222280]

約数ペア:

[(1, 201222280), (2, 100611140), (4, 50305570), (5, 40244456), (7, 28746040), (8, 25152785), (10, 20122228), (14, 14373020), (20, 10061114), (28, 7186510), (35, 5749208), (37, 5438440), (40, 5030557), (56, 3593255), (70, 2874604), (74, 2719220), (140, 1437302), (148, 1359610), (185, 1087688), (259, 776920), (280, 718651), (296, 679805), (370, 543844), (518, 388460), (740, 271922), (1036, 194230), (1295, 155384), (1480, 135961), (2072, 97115), (2590, 77692), (5180, 38846), (10360, 19423)]