68484580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{110459}}^1$

素因数の和:110499

約数の個数: 24

約数和(自身を含む): 148458240

約数和(自身を除く): 79973660

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 110459, 220918, 441836, 552295, 1104590, 2209180, 3424229, 6848458, 13696916, 17121145, 34242290, 68484580]

約数ペア:

[(1, 68484580), (2, 34242290), (4, 17121145), (5, 13696916), (10, 6848458), (20, 3424229), (31, 2209180), (62, 1104590), (124, 552295), (155, 441836), (310, 220918), (620, 110459)]