129304280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{461801}}^1$

素因数の和:461819

約数の個数: 32

約数和(自身を含む): 332497440

約数和(自身を除く): 203193160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 461801, 923602, 1847204, 2309005, 3232607, 3694408, 4618010, 6465214, 9236020, 12930428, 16163035, 18472040, 25860856, 32326070, 64652140, 129304280]

約数ペア:

[(1, 129304280), (2, 64652140), (4, 32326070), (5, 25860856), (7, 18472040), (8, 16163035), (10, 12930428), (14, 9236020), (20, 6465214), (28, 4618010), (35, 3694408), (40, 3232607), (56, 2309005), (70, 1847204), (140, 923602), (280, 461801)]