686521060

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{14983}}^1$

素因数の和:15100

約数の個数: 48

約数和(自身を含む): 1510387200

約数和(自身を除く): 823866140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 79, 116, 145, 158, 290, 316, 395, 580, 790, 1580, 2291, 4582, 9164, 11455, 14983, 22910, 29966, 45820, 59932, 74915, 149830, 299660, 434507, 869014, 1183657, 1738028, 2172535, 2367314, 4345070, 4734628, 5918285, 8690140, 11836570, 23673140, 34326053, 68652106, 137304212, 171630265, 343260530, 686521060]

約数ペア:

[(1, 686521060), (2, 343260530), (4, 171630265), (5, 137304212), (10, 68652106), (20, 34326053), (29, 23673140), (58, 11836570), (79, 8690140), (116, 5918285), (145, 4734628), (158, 4345070), (290, 2367314), (316, 2172535), (395, 1738028), (580, 1183657), (790, 869014), (1580, 434507), (2291, 299660), (4582, 149830), (9164, 74915), (11455, 59932), (14983, 45820), (22910, 29966)]