68499380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{48239}}^1$

素因数の和:48319

約数の個数: 24

約数和(自身を含む): 145877760

約数和(自身を除く): 77378380

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 48239, 96478, 192956, 241195, 482390, 964780, 3424969, 6849938, 13699876, 17124845, 34249690, 68499380]

約数ペア:

[(1, 68499380), (2, 34249690), (4, 17124845), (5, 13699876), (10, 6849938), (20, 3424969), (71, 964780), (142, 482390), (284, 241195), (355, 192956), (710, 96478), (1420, 48239)]