389638270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{70459}}^1$

素因数の和:70552

約数の個数: 32

約数和(自身を含む): 811699200

約数和(自身を除く): 422060930

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 395, 553, 790, 1106, 2765, 5530, 70459, 140918, 352295, 493213, 704590, 986426, 2466065, 4932130, 5566261, 11132522, 27831305, 38963827, 55662610, 77927654, 194819135, 389638270]

約数ペア:

[(1, 389638270), (2, 194819135), (5, 77927654), (7, 55662610), (10, 38963827), (14, 27831305), (35, 11132522), (70, 5566261), (79, 4932130), (158, 2466065), (395, 986426), (553, 704590), (790, 493213), (1106, 352295), (2765, 140918), (5530, 70459)]