221706860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{652079}}^1$

素因数の和:652105

約数の個数: 24

約数和(自身を含む): 492972480

約数和(自身を除く): 271265620

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 652079, 1304158, 2608316, 3260395, 6520790, 11085343, 13041580, 22170686, 44341372, 55426715, 110853430, 221706860]

約数ペア:

[(1, 221706860), (2, 110853430), (4, 55426715), (5, 44341372), (10, 22170686), (17, 13041580), (20, 11085343), (34, 6520790), (68, 3260395), (85, 2608316), (170, 1304158), (340, 652079)]