142173640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1279}}^1$

素因数の和:1694

約数の個数: 64

約数和(自身を含む): 366796800

約数和(自身を除く): 224623160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 397, 794, 1279, 1588, 1985, 2558, 2779, 3176, 3970, 5116, 5558, 6395, 7940, 8953, 10232, 11116, 12790, 13895, 15880, 17906, 22232, 25580, 27790, 35812, 44765, 51160, 55580, 71624, 89530, 111160, 179060, 358120, 507763, 1015526, 2031052, 2538815, 3554341, 4062104, 5077630, 7108682, 10155260, 14217364, 17771705, 20310520, 28434728, 35543410, 71086820, 142173640]

約数ペア:

[(1, 142173640), (2, 71086820), (4, 35543410), (5, 28434728), (7, 20310520), (8, 17771705), (10, 14217364), (14, 10155260), (20, 7108682), (28, 5077630), (35, 4062104), (40, 3554341), (56, 2538815), (70, 2031052), (140, 1015526), (280, 507763), (397, 358120), (794, 179060), (1279, 111160), (1588, 89530), (1985, 71624), (2558, 55580), (2779, 51160), (3176, 44765), (3970, 35812), (5116, 27790), (5558, 25580), (6395, 22232), (7940, 17906), (8953, 15880), (10232, 13895), (11116, 12790)]