2018220620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{456611}}^1$

素因数の和:456650

約数の個数: 48

約数和(自身を含む): 4832781408

約数和(自身を除く): 2814560788

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 456611, 913222, 1826444, 2283055, 4566110, 5935943, 7762387, 9132220, 11871886, 15524774, 23743772, 29679715, 31049548, 38811935, 59359430, 77623870, 100911031, 118718860, 155247740, 201822062, 403644124, 504555155, 1009110310, 2018220620]

約数ペア:

[(1, 2018220620), (2, 1009110310), (4, 504555155), (5, 403644124), (10, 201822062), (13, 155247740), (17, 118718860), (20, 100911031), (26, 77623870), (34, 59359430), (52, 38811935), (65, 31049548), (68, 29679715), (85, 23743772), (130, 15524774), (170, 11871886), (221, 9132220), (260, 7762387), (340, 5935943), (442, 4566110), (884, 2283055), (1105, 1826444), (2210, 913222), (4420, 456611)]