68461580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311189}}^1$

素因数の和:311209

約数の個数: 24

約数和(自身を含む): 156839760

約数和(自身を除く): 88378180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 311189, 622378, 1244756, 1555945, 3111890, 3423079, 6223780, 6846158, 13692316, 17115395, 34230790, 68461580]

約数ペア:

[(1, 68461580), (2, 34230790), (4, 17115395), (5, 13692316), (10, 6846158), (11, 6223780), (20, 3423079), (22, 3111890), (44, 1555945), (55, 1244756), (110, 622378), (220, 311189)]