9959740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{10163}}^1$

素因数の和:10186

約数の個数: 36

約数和(自身を含む): 24332616

約数和(自身を除く): 14372876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 10163, 20326, 40652, 50815, 71141, 101630, 142282, 203260, 284564, 355705, 497987, 711410, 995974, 1422820, 1991948, 2489935, 4979870, 9959740]

約数ペア:

[(1, 9959740), (2, 4979870), (4, 2489935), (5, 1991948), (7, 1422820), (10, 995974), (14, 711410), (20, 497987), (28, 355705), (35, 284564), (49, 203260), (70, 142282), (98, 101630), (140, 71141), (196, 50815), (245, 40652), (490, 20326), (980, 10163)]