121425640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{433663}}^1$

素因数の和:433681

約数の個数: 32

約数和(自身を含む): 312238080

約数和(自身を除く): 190812440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 433663, 867326, 1734652, 2168315, 3035641, 3469304, 4336630, 6071282, 8673260, 12142564, 15178205, 17346520, 24285128, 30356410, 60712820, 121425640]

約数ペア:

[(1, 121425640), (2, 60712820), (4, 30356410), (5, 24285128), (7, 17346520), (8, 15178205), (10, 12142564), (14, 8673260), (20, 6071282), (28, 4336630), (35, 3469304), (40, 3035641), (56, 2168315), (70, 1734652), (140, 867326), (280, 433663)]