28901740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{3499}}^1$

素因数の和:3574

約数の個数: 48

約数和(自身を含む): 70560000

約数和(自身を除く): 41658260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 413, 590, 826, 1180, 1652, 2065, 3499, 4130, 6998, 8260, 13996, 17495, 24493, 34990, 48986, 69980, 97972, 122465, 206441, 244930, 412882, 489860, 825764, 1032205, 1445087, 2064410, 2890174, 4128820, 5780348, 7225435, 14450870, 28901740]

約数ペア:

[(1, 28901740), (2, 14450870), (4, 7225435), (5, 5780348), (7, 4128820), (10, 2890174), (14, 2064410), (20, 1445087), (28, 1032205), (35, 825764), (59, 489860), (70, 412882), (118, 244930), (140, 206441), (236, 122465), (295, 97972), (413, 69980), (590, 48986), (826, 34990), (1180, 24493), (1652, 17495), (2065, 13996), (3499, 8260), (4130, 6998)]