210805105270

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{72942943}}^1$

素因数の和:72942984

約数の個数: 24

約数和(自身を含む): 403082708544

約数和(自身を除く): 192277603274

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 72942943, 145885886, 364714715, 729429430, 1240030031, 2480060062, 6200150155, 12400300310, 21080510527, 42161021054, 105402552635, 210805105270]

約数ペア:

[(1, 210805105270), (2, 105402552635), (5, 42161021054), (10, 21080510527), (17, 12400300310), (34, 6200150155), (85, 2480060062), (170, 1240030031), (289, 729429430), (578, 364714715), (1445, 145885886), (2890, 72942943)]