68140790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{219809}}^1$

素因数の和:219847

約数の個数: 16

約数和(自身を含む): 126610560

約数和(自身を除く): 58469770

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 219809, 439618, 1099045, 2198090, 6814079, 13628158, 34070395, 68140790]

約数ペア:

[(1, 68140790), (2, 34070395), (5, 13628158), (10, 6814079), (31, 2198090), (62, 1099045), (155, 439618), (310, 219809)]