380768780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1229}}^1\times {\mathrm{2213}}^1$

素因数の和:3458

約数の個数: 48

約数和(自身を含む): 915001920

約数和(自身を除く): 534233140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1229, 2213, 2458, 4426, 4916, 6145, 8603, 8852, 11065, 12290, 15491, 17206, 22130, 24580, 30982, 34412, 43015, 44260, 61964, 77455, 86030, 154910, 172060, 309820, 2719777, 5439554, 10879108, 13598885, 19038439, 27197770, 38076878, 54395540, 76153756, 95192195, 190384390, 380768780]

約数ペア:

[(1, 380768780), (2, 190384390), (4, 95192195), (5, 76153756), (7, 54395540), (10, 38076878), (14, 27197770), (20, 19038439), (28, 13598885), (35, 10879108), (70, 5439554), (140, 2719777), (1229, 309820), (2213, 172060), (2458, 154910), (4426, 86030), (4916, 77455), (6145, 61964), (8603, 44260), (8852, 43015), (11065, 34412), (12290, 30982), (15491, 24580), (17206, 22130)]