3380020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{3449}}^1$

素因数の和:3472

約数の個数: 36

約数和(自身を含む): 8259300

約数和(自身を除く): 4879280

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 3449, 6898, 13796, 17245, 24143, 34490, 48286, 68980, 96572, 120715, 169001, 241430, 338002, 482860, 676004, 845005, 1690010, 3380020]

約数ペア:

[(1, 3380020), (2, 1690010), (4, 845005), (5, 676004), (7, 482860), (10, 338002), (14, 241430), (20, 169001), (28, 120715), (35, 96572), (49, 68980), (70, 48286), (98, 34490), (140, 24143), (196, 17245), (245, 13796), (490, 6898), (980, 3449)]