2139234620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1753471}}^1$

素因数の和:1753541

約数の個数: 24

約数和(自身を含む): 4566041088

約数和(自身を除く): 2426806468

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1753471, 3506942, 7013884, 8767355, 17534710, 35069420, 106961731, 213923462, 427846924, 534808655, 1069617310, 2139234620]

約数ペア:

[(1, 2139234620), (2, 1069617310), (4, 534808655), (5, 427846924), (10, 213923462), (20, 106961731), (61, 35069420), (122, 17534710), (244, 8767355), (305, 7013884), (610, 3506942), (1220, 1753471)]