1211699620

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{491}}^1\times {\mathrm{757}}^1$

素因数の和:1420

約数の個数: 48

約数和(自身を含む): 2568783168

約数和(自身を除く): 1357083548

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 491, 652, 757, 815, 982, 1514, 1630, 1964, 2455, 3028, 3260, 3785, 4910, 7570, 9820, 15140, 80033, 123391, 160066, 246782, 320132, 371687, 400165, 493564, 616955, 743374, 800330, 1233910, 1486748, 1600660, 1858435, 2467820, 3716870, 7433740, 60584981, 121169962, 242339924, 302924905, 605849810, 1211699620]

約数ペア:

[(1, 1211699620), (2, 605849810), (4, 302924905), (5, 242339924), (10, 121169962), (20, 60584981), (163, 7433740), (326, 3716870), (491, 2467820), (652, 1858435), (757, 1600660), (815, 1486748), (982, 1233910), (1514, 800330), (1630, 743374), (1964, 616955), (2455, 493564), (3028, 400165), (3260, 371687), (3785, 320132), (4910, 246782), (7570, 160066), (9820, 123391), (15140, 80033)]