149512280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{219871}}^1$

素因数の和:219899

約数の個数: 32

約数和(自身を含む): 356192640

約数和(自身を除く): 206680360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 219871, 439742, 879484, 1099355, 1758968, 2198710, 3737807, 4397420, 7475614, 8794840, 14951228, 18689035, 29902456, 37378070, 74756140, 149512280]

約数ペア:

[(1, 149512280), (2, 74756140), (4, 37378070), (5, 29902456), (8, 18689035), (10, 14951228), (17, 8794840), (20, 7475614), (34, 4397420), (40, 3737807), (68, 2198710), (85, 1758968), (136, 1099355), (170, 879484), (340, 439742), (680, 219871)]