634005020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{36479}}^1$

素因数の和:36578

約数の個数: 48

約数和(自身を含む): 1470873600

約数和(自身を除く): 836868580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 4345, 8690, 17380, 36479, 72958, 145916, 182395, 364790, 401269, 729580, 802538, 1605076, 2006345, 2881841, 4012690, 5763682, 8025380, 11527364, 14409205, 28818410, 31700251, 57636820, 63400502, 126801004, 158501255, 317002510, 634005020]

約数ペア:

[(1, 634005020), (2, 317002510), (4, 158501255), (5, 126801004), (10, 63400502), (11, 57636820), (20, 31700251), (22, 28818410), (44, 14409205), (55, 11527364), (79, 8025380), (110, 5763682), (158, 4012690), (220, 2881841), (316, 2006345), (395, 1605076), (790, 802538), (869, 729580), (1580, 401269), (1738, 364790), (3476, 182395), (4345, 145916), (8690, 72958), (17380, 36479)]