1297029140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1009}}^1\times {\mathrm{5843}}^1$

素因数の和:6872

約数の個数: 48

約数和(自身を含む): 2974829760

約数和(自身を除く): 1677800620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1009, 2018, 4036, 5045, 5843, 10090, 11099, 11686, 20180, 22198, 23372, 29215, 44396, 55495, 58430, 64273, 110990, 116860, 128546, 221980, 257092, 321365, 642730, 1285460, 5895587, 11791174, 23582348, 29477935, 58955870, 64851457, 117911740, 129702914, 259405828, 324257285, 648514570, 1297029140]

約数ペア:

[(1, 1297029140), (2, 648514570), (4, 324257285), (5, 259405828), (10, 129702914), (11, 117911740), (20, 64851457), (22, 58955870), (44, 29477935), (55, 23582348), (110, 11791174), (220, 5895587), (1009, 1285460), (2018, 642730), (4036, 321365), (5045, 257092), (5843, 221980), (10090, 128546), (11099, 116860), (11686, 110990), (20180, 64273), (22198, 58430), (23372, 55495), (29215, 44396)]