677016020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{6449}}^1$

素因数の和:6668

約数の個数: 48

約数和(自身を含む): 1479114000

約数和(自身を除く): 802097980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 181, 290, 362, 580, 724, 905, 1810, 3620, 5249, 6449, 10498, 12898, 20996, 25796, 26245, 32245, 52490, 64490, 104980, 128980, 187021, 374042, 748084, 935105, 1167269, 1870210, 2334538, 3740420, 4669076, 5836345, 11672690, 23345380, 33850801, 67701602, 135403204, 169254005, 338508010, 677016020]

約数ペア:

[(1, 677016020), (2, 338508010), (4, 169254005), (5, 135403204), (10, 67701602), (20, 33850801), (29, 23345380), (58, 11672690), (116, 5836345), (145, 4669076), (181, 3740420), (290, 2334538), (362, 1870210), (580, 1167269), (724, 935105), (905, 748084), (1810, 374042), (3620, 187021), (5249, 128980), (6449, 104980), (10498, 64490), (12898, 52490), (20996, 32245), (25796, 26245)]