68837980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{111029}}^1$

素因数の和:111069

約数の個数: 24

約数和(自身を含む): 149224320

約数和(自身を除く): 80386340

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 111029, 222058, 444116, 555145, 1110290, 2220580, 3441899, 6883798, 13767596, 17209495, 34418990, 68837980]

約数ペア:

[(1, 68837980), (2, 34418990), (4, 17209495), (5, 13767596), (10, 6883798), (20, 3441899), (31, 2220580), (62, 1110290), (124, 555145), (155, 444116), (310, 222058), (620, 111029)]