1785122020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{71807}}^1$

素因数の和:71940

約数の個数: 48

約数和(自身を含む): 4125800448

約数和(自身を除く): 2340678428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 220, 226, 452, 565, 1130, 1243, 2260, 2486, 4972, 6215, 12430, 24860, 71807, 143614, 287228, 359035, 718070, 789877, 1436140, 1579754, 3159508, 3949385, 7898770, 8114191, 15797540, 16228382, 32456764, 40570955, 81141910, 89256101, 162283820, 178512202, 357024404, 446280505, 892561010, 1785122020]

約数ペア:

[(1, 1785122020), (2, 892561010), (4, 446280505), (5, 357024404), (10, 178512202), (11, 162283820), (20, 89256101), (22, 81141910), (44, 40570955), (55, 32456764), (110, 16228382), (113, 15797540), (220, 8114191), (226, 7898770), (452, 3949385), (565, 3159508), (1130, 1579754), (1243, 1436140), (2260, 789877), (2486, 718070), (4972, 359035), (6215, 287228), (12430, 143614), (24860, 71807)]