2005364180

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{12697}}^1$

素因数の和:12908

約数の個数: 48

約数和(自身を含む): 4319859600

約数和(自身を除く): 2314495420

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 149, 212, 265, 298, 530, 596, 745, 1060, 1490, 2980, 7897, 12697, 15794, 25394, 31588, 39485, 50788, 63485, 78970, 126970, 157940, 253940, 672941, 1345882, 1891853, 2691764, 3364705, 3783706, 6729410, 7567412, 9459265, 13458820, 18918530, 37837060, 100268209, 200536418, 401072836, 501341045, 1002682090, 2005364180]

約数ペア:

[(1, 2005364180), (2, 1002682090), (4, 501341045), (5, 401072836), (10, 200536418), (20, 100268209), (53, 37837060), (106, 18918530), (149, 13458820), (212, 9459265), (265, 7567412), (298, 6729410), (530, 3783706), (596, 3364705), (745, 2691764), (1060, 1891853), (1490, 1345882), (2980, 672941), (7897, 253940), (12697, 157940), (15794, 126970), (25394, 78970), (31588, 63485), (39485, 50788)]