142488290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{3907}}^1$

素因数の和:4442

約数の個数: 32

約数和(自身を含む): 293756544

約数和(自身を除く): 151268254

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 521, 1042, 2605, 3647, 3907, 5210, 7294, 7814, 18235, 19535, 27349, 36470, 39070, 54698, 136745, 273490, 2035547, 4071094, 10177735, 14248829, 20355470, 28497658, 71244145, 142488290]

約数ペア:

[(1, 142488290), (2, 71244145), (5, 28497658), (7, 20355470), (10, 14248829), (14, 10177735), (35, 4071094), (70, 2035547), (521, 273490), (1042, 136745), (2605, 54698), (3647, 39070), (3907, 36470), (5210, 27349), (7294, 19535), (7814, 18235)]