1390600

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 3431700

約数和(自身を除く): 2041100

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 409, 425, 680, 818, 850, 1636, 1700, 2045, 3272, 3400, 4090, 6953, 8180, 10225, 13906, 16360, 20450, 27812, 34765, 40900, 55624, 69530, 81800, 139060, 173825, 278120, 347650, 695300, 1390600]

約数ペア:

[(1, 1390600), (2, 695300), (4, 347650), (5, 278120), (8, 173825), (10, 139060), (17, 81800), (20, 69530), (25, 55624), (34, 40900), (40, 34765), (50, 27812), (68, 20450), (85, 16360), (100, 13906), (136, 10225), (170, 8180), (200, 6953), (340, 4090), (409, 3400), (425, 3272), (680, 2045), (818, 1700), (850, 1636)]