136769540

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{809}}^1$

素因数の和:1004

約数の個数: 48

約数和(自身を含む): 293932800

約数和(自身を除く): 157163260

約数列:

[1, 2, 4, 5, 10, 20, 79, 107, 158, 214, 316, 395, 428, 535, 790, 809, 1070, 1580, 1618, 2140, 3236, 4045, 8090, 8453, 16180, 16906, 33812, 42265, 63911, 84530, 86563, 127822, 169060, 173126, 255644, 319555, 346252, 432815, 639110, 865630, 1278220, 1731260, 6838477, 13676954, 27353908, 34192385, 68384770, 136769540]

約数ペア:

[(1, 136769540), (2, 68384770), (4, 34192385), (5, 27353908), (10, 13676954), (20, 6838477), (79, 1731260), (107, 1278220), (158, 865630), (214, 639110), (316, 432815), (395, 346252), (428, 319555), (535, 255644), (790, 173126), (809, 169060), (1070, 127822), (1580, 86563), (1618, 84530), (2140, 63911), (3236, 42265), (4045, 33812), (8090, 16906), (8453, 16180)]