145653640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331031}}^1$

素因数の和:331053

約数の個数: 32

約数和(自身を含む): 357514560

約数和(自身を除く): 211860920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 331031, 662062, 1324124, 1655155, 2648248, 3310310, 3641341, 6620620, 7282682, 13241240, 14565364, 18206705, 29130728, 36413410, 72826820, 145653640]

約数ペア:

[(1, 145653640), (2, 72826820), (4, 36413410), (5, 29130728), (8, 18206705), (10, 14565364), (11, 13241240), (20, 7282682), (22, 6620620), (40, 3641341), (44, 3310310), (55, 2648248), (88, 1655155), (110, 1324124), (220, 662062), (440, 331031)]