409680620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{70879}}^1$

素因数の和:70922

約数の個数: 36

約数和(自身を含む): 913926720

約数和(自身を除く): 504246100

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 70879, 141758, 283516, 354395, 708790, 1204943, 1417580, 2409886, 4819772, 6024715, 12049430, 20484031, 24098860, 40968062, 81936124, 102420155, 204840310, 409680620]

約数ペア:

[(1, 409680620), (2, 204840310), (4, 102420155), (5, 81936124), (10, 40968062), (17, 24098860), (20, 20484031), (34, 12049430), (68, 6024715), (85, 4819772), (170, 2409886), (289, 1417580), (340, 1204943), (578, 708790), (1156, 354395), (1445, 283516), (2890, 141758), (5780, 70879)]