299790980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{3469}}^1$

素因数の和:3656

約数の個数: 48

約数和(自身を含む): 655830000

約数和(自身を除く): 356039020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 149, 290, 298, 580, 596, 745, 1490, 2980, 3469, 4321, 6938, 8642, 13876, 17284, 17345, 21605, 34690, 43210, 69380, 86420, 100601, 201202, 402404, 503005, 516881, 1006010, 1033762, 2012020, 2067524, 2584405, 5168810, 10337620, 14989549, 29979098, 59958196, 74947745, 149895490, 299790980]

約数ペア:

[(1, 299790980), (2, 149895490), (4, 74947745), (5, 59958196), (10, 29979098), (20, 14989549), (29, 10337620), (58, 5168810), (116, 2584405), (145, 2067524), (149, 2012020), (290, 1033762), (298, 1006010), (580, 516881), (596, 503005), (745, 402404), (1490, 201202), (2980, 100601), (3469, 86420), (4321, 69380), (6938, 43210), (8642, 34690), (13876, 21605), (17284, 17345)]