749085220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2881097}}^1$

素因数の和:2881119

約数の個数: 24

約数和(自身を含む): 1694085624

約数和(自身を除く): 945000404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2881097, 5762194, 11524388, 14405485, 28810970, 37454261, 57621940, 74908522, 149817044, 187271305, 374542610, 749085220]

約数ペア:

[(1, 749085220), (2, 374542610), (4, 187271305), (5, 149817044), (10, 74908522), (13, 57621940), (20, 37454261), (26, 28810970), (52, 14405485), (65, 11524388), (130, 5762194), (260, 2881097)]