628660

素因数分解:

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

素因数の和:112

約数の個数: 36

約数和(自身を含む): 1431108

約数和(自身を除く): 802448

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 1849, 2924, 3655, 3698, 7310, 7396, 9245, 14620, 18490, 31433, 36980, 62866, 125732, 157165, 314330, 628660]

約数ペア:

[(1, 628660), (2, 314330), (4, 157165), (5, 125732), (10, 62866), (17, 36980), (20, 31433), (34, 18490), (43, 14620), (68, 9245), (85, 7396), (86, 7310), (170, 3698), (172, 3655), (215, 2924), (340, 1849), (430, 1462), (731, 860)]