53728540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 115625664

約数和(自身を除く): 61897124

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 157, 241, 284, 314, 355, 482, 628, 710, 785, 964, 1205, 1420, 1570, 2410, 3140, 4820, 11147, 17111, 22294, 34222, 37837, 44588, 55735, 68444, 75674, 85555, 111470, 151348, 171110, 189185, 222940, 342220, 378370, 756740, 2686427, 5372854, 10745708, 13432135, 26864270, 53728540]

約数ペア:

[(1, 53728540), (2, 26864270), (4, 13432135), (5, 10745708), (10, 5372854), (20, 2686427), (71, 756740), (142, 378370), (157, 342220), (241, 222940), (284, 189185), (314, 171110), (355, 151348), (482, 111470), (628, 85555), (710, 75674), (785, 68444), (964, 55735), (1205, 44588), (1420, 37837), (1570, 34222), (2410, 22294), (3140, 17111), (4820, 11147)]