268774820

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1\times {\mathrm{421}}^1$

素因数の和:800

約数の個数: 48

約数和(自身を含む): 572343408

約数和(自身を除く): 303568588

約数列:

[1, 2, 4, 5, 10, 20, 137, 233, 274, 421, 466, 548, 685, 842, 932, 1165, 1370, 1684, 2105, 2330, 2740, 4210, 4660, 8420, 31921, 57677, 63842, 98093, 115354, 127684, 159605, 196186, 230708, 288385, 319210, 392372, 490465, 576770, 638420, 980930, 1153540, 1961860, 13438741, 26877482, 53754964, 67193705, 134387410, 268774820]

約数ペア:

[(1, 268774820), (2, 134387410), (4, 67193705), (5, 53754964), (10, 26877482), (20, 13438741), (137, 1961860), (233, 1153540), (274, 980930), (421, 638420), (466, 576770), (548, 490465), (685, 392372), (842, 319210), (932, 288385), (1165, 230708), (1370, 196186), (1684, 159605), (2105, 127684), (2330, 115354), (2740, 98093), (4210, 63842), (4660, 57677), (8420, 31921)]