253857520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{453317}}^1$

素因数の和:453337

約数の個数: 40

約数和(自身を含む): 674537184

約数和(自身を除く): 420679664

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 453317, 906634, 1813268, 2266585, 3173219, 3626536, 4533170, 6346438, 7253072, 9066340, 12692876, 15866095, 18132680, 25385752, 31732190, 36265360, 50771504, 63464380, 126928760, 253857520]

約数ペア:

[(1, 253857520), (2, 126928760), (4, 63464380), (5, 50771504), (7, 36265360), (8, 31732190), (10, 25385752), (14, 18132680), (16, 15866095), (20, 12692876), (28, 9066340), (35, 7253072), (40, 6346438), (56, 4533170), (70, 3626536), (80, 3173219), (112, 2266585), (140, 1813268), (280, 906634), (560, 453317)]