3153640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{1609}}^1$

素因数の和:1634

約数の個数: 48

約数和(自身を含む): 8259300

約数和(自身を除く): 5105660

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1609, 1960, 3218, 6436, 8045, 11263, 12872, 16090, 22526, 32180, 45052, 56315, 64360, 78841, 90104, 112630, 157682, 225260, 315364, 394205, 450520, 630728, 788410, 1576820, 3153640]

約数ペア:

[(1, 3153640), (2, 1576820), (4, 788410), (5, 630728), (7, 450520), (8, 394205), (10, 315364), (14, 225260), (20, 157682), (28, 112630), (35, 90104), (40, 78841), (49, 64360), (56, 56315), (70, 45052), (98, 32180), (140, 22526), (196, 16090), (245, 12872), (280, 11263), (392, 8045), (490, 6436), (980, 3218), (1609, 1960)]