28570540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{4943}}^1$

素因数の和:4986

約数の個数: 36

約数和(自身を含む): 63747936

約数和(自身を除く): 35177396

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 4943, 5780, 9886, 19772, 24715, 49430, 84031, 98860, 168062, 336124, 420155, 840310, 1428527, 1680620, 2857054, 5714108, 7142635, 14285270, 28570540]

約数ペア:

[(1, 28570540), (2, 14285270), (4, 7142635), (5, 5714108), (10, 2857054), (17, 1680620), (20, 1428527), (34, 840310), (68, 420155), (85, 336124), (170, 168062), (289, 98860), (340, 84031), (578, 49430), (1156, 24715), (1445, 19772), (2890, 9886), (4943, 5780)]