248540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1$

素因数の和:86

約数の個数: 36

約数和(自身を含む): 567336

約数和(自身を除く): 318796

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 289, 340, 430, 578, 731, 860, 1156, 1445, 1462, 2890, 2924, 3655, 5780, 7310, 12427, 14620, 24854, 49708, 62135, 124270, 248540]

約数ペア:

[(1, 248540), (2, 124270), (4, 62135), (5, 49708), (10, 24854), (17, 14620), (20, 12427), (34, 7310), (43, 5780), (68, 3655), (85, 2924), (86, 2890), (170, 1462), (172, 1445), (215, 1156), (289, 860), (340, 731), (430, 578)]