196276040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{313}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 452046960

約数和(自身を除く): 255770920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 257, 305, 313, 488, 514, 610, 626, 1028, 1220, 1252, 1285, 1565, 2056, 2440, 2504, 2570, 3130, 5140, 6260, 10280, 12520, 15677, 19093, 31354, 38186, 62708, 76372, 78385, 80441, 95465, 125416, 152744, 156770, 160882, 190930, 313540, 321764, 381860, 402205, 627080, 643528, 763720, 804410, 1608820, 3217640, 4906901, 9813802, 19627604, 24534505, 39255208, 49069010, 98138020, 196276040]

約数ペア:

[(1, 196276040), (2, 98138020), (4, 49069010), (5, 39255208), (8, 24534505), (10, 19627604), (20, 9813802), (40, 4906901), (61, 3217640), (122, 1608820), (244, 804410), (257, 763720), (305, 643528), (313, 627080), (488, 402205), (514, 381860), (610, 321764), (626, 313540), (1028, 190930), (1220, 160882), (1252, 156770), (1285, 152744), (1565, 125416), (2056, 95465), (2440, 80441), (2504, 78385), (2570, 76372), (3130, 62708), (5140, 38186), (6260, 31354), (10280, 19093), (12520, 15677)]