235398520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{840709}}^1$

素因数の和:840727

約数の個数: 32

約数和(自身を含む): 605311200

約数和(自身を除く): 369912680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 840709, 1681418, 3362836, 4203545, 5884963, 6725672, 8407090, 11769926, 16814180, 23539852, 29424815, 33628360, 47079704, 58849630, 117699260, 235398520]

約数ペア:

[(1, 235398520), (2, 117699260), (4, 58849630), (5, 47079704), (7, 33628360), (8, 29424815), (10, 23539852), (14, 16814180), (20, 11769926), (28, 8407090), (35, 6725672), (40, 5884963), (56, 4203545), (70, 3362836), (140, 1681418), (280, 840709)]