7890380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1009}}^1$

素因数の和:1058

約数の個数: 48

約数和(自身を含む): 18325440

約数和(自身を除く): 10435060

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1009, 1564, 1955, 2018, 3910, 4036, 5045, 7820, 10090, 17153, 20180, 23207, 34306, 46414, 68612, 85765, 92828, 116035, 171530, 232070, 343060, 394519, 464140, 789038, 1578076, 1972595, 3945190, 7890380]

約数ペア:

[(1, 7890380), (2, 3945190), (4, 1972595), (5, 1578076), (10, 789038), (17, 464140), (20, 394519), (23, 343060), (34, 232070), (46, 171530), (68, 116035), (85, 92828), (92, 85765), (115, 68612), (170, 46414), (230, 34306), (340, 23207), (391, 20180), (460, 17153), (782, 10090), (1009, 7820), (1564, 5045), (1955, 4036), (2018, 3910)]