343026980

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1\times {\mathrm{757}}^1$

素因数の和:1068

約数の個数: 48

約数和(自身を含む): 730954560

約数和(自身を除く): 387927580

約数列:

[1, 2, 4, 5, 10, 20, 139, 163, 278, 326, 556, 652, 695, 757, 815, 1390, 1514, 1630, 2780, 3028, 3260, 3785, 7570, 15140, 22657, 45314, 90628, 105223, 113285, 123391, 210446, 226570, 246782, 420892, 453140, 493564, 526115, 616955, 1052230, 1233910, 2104460, 2467820, 17151349, 34302698, 68605396, 85756745, 171513490, 343026980]

約数ペア:

[(1, 343026980), (2, 171513490), (4, 85756745), (5, 68605396), (10, 34302698), (20, 17151349), (139, 2467820), (163, 2104460), (278, 1233910), (326, 1052230), (556, 616955), (652, 526115), (695, 493564), (757, 453140), (815, 420892), (1390, 246782), (1514, 226570), (1630, 210446), (2780, 123391), (3028, 113285), (3260, 105223), (3785, 90628), (7570, 45314), (15140, 22657)]