2045780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{547}}^1$

素因数の和:584

約数の個数: 48

約数和(自身を含む): 4971456

約数和(自身を除く): 2925676

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 547, 748, 935, 1094, 1870, 2188, 2735, 3740, 5470, 6017, 9299, 10940, 12034, 18598, 24068, 30085, 37196, 46495, 60170, 92990, 102289, 120340, 185980, 204578, 409156, 511445, 1022890, 2045780]

約数ペア:

[(1, 2045780), (2, 1022890), (4, 511445), (5, 409156), (10, 204578), (11, 185980), (17, 120340), (20, 102289), (22, 92990), (34, 60170), (44, 46495), (55, 37196), (68, 30085), (85, 24068), (110, 18598), (170, 12034), (187, 10940), (220, 9299), (340, 6017), (374, 5470), (547, 3740), (748, 2735), (935, 2188), (1094, 1870)]