745436540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1202317}}^1$

素因数の和:1202357

約数の個数: 24

約数和(自身を含む): 1615915392

約数和(自身を除く): 870478852

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 1202317, 2404634, 4809268, 6011585, 12023170, 24046340, 37271827, 74543654, 149087308, 186359135, 372718270, 745436540]

約数ペア:

[(1, 745436540), (2, 372718270), (4, 186359135), (5, 149087308), (10, 74543654), (20, 37271827), (31, 24046340), (62, 12023170), (124, 6011585), (155, 4809268), (310, 2404634), (620, 1202317)]