72141460

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 154614096

約数和(自身を除く): 82472636

約数列:

[1, 2, 4, 5, 10, 20, 113, 137, 226, 233, 274, 452, 466, 548, 565, 685, 932, 1130, 1165, 1370, 2260, 2330, 2740, 4660, 15481, 26329, 30962, 31921, 52658, 61924, 63842, 77405, 105316, 127684, 131645, 154810, 159605, 263290, 309620, 319210, 526580, 638420, 3607073, 7214146, 14428292, 18035365, 36070730, 72141460]

約数ペア:

[(1, 72141460), (2, 36070730), (4, 18035365), (5, 14428292), (10, 7214146), (20, 3607073), (113, 638420), (137, 526580), (226, 319210), (233, 309620), (274, 263290), (452, 159605), (466, 154810), (548, 131645), (565, 127684), (685, 105316), (932, 77405), (1130, 63842), (1165, 61924), (1370, 52658), (2260, 31921), (2330, 30962), (2740, 26329), (4660, 15481)]