468640

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:145

約数の個数: 48

約数和(自身を含む): 1156680

約数和(自身を除く): 688040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 101, 116, 145, 160, 202, 232, 290, 404, 464, 505, 580, 808, 928, 1010, 1160, 1616, 2020, 2320, 2929, 3232, 4040, 4640, 5858, 8080, 11716, 14645, 16160, 23432, 29290, 46864, 58580, 93728, 117160, 234320, 468640]

約数ペア:

[(1, 468640), (2, 234320), (4, 117160), (5, 93728), (8, 58580), (10, 46864), (16, 29290), (20, 23432), (29, 16160), (32, 14645), (40, 11716), (58, 8080), (80, 5858), (101, 4640), (116, 4040), (145, 3232), (160, 2929), (202, 2320), (232, 2020), (290, 1616), (404, 1160), (464, 1010), (505, 928), (580, 808)]