317922980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{512779}}^1$

素因数の和:512819

約数の個数: 24

約数和(自身を含む): 689176320

約数和(自身を除く): 371253340

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 512779, 1025558, 2051116, 2563895, 5127790, 10255580, 15896149, 31792298, 63584596, 79480745, 158961490, 317922980]

約数ペア:

[(1, 317922980), (2, 158961490), (4, 79480745), (5, 63584596), (10, 31792298), (20, 15896149), (31, 10255580), (62, 5127790), (124, 2563895), (155, 2051116), (310, 1025558), (620, 512779)]