66486140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67843}}^1$

素因数の和:67866

約数の個数: 36

約数和(自身を含む): 162418536

約数和(自身を除く): 95932396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 67843, 135686, 271372, 339215, 474901, 678430, 949802, 1356860, 1899604, 2374505, 3324307, 4749010, 6648614, 9498020, 13297228, 16621535, 33243070, 66486140]

約数ペア:

[(1, 66486140), (2, 33243070), (4, 16621535), (5, 13297228), (7, 9498020), (10, 6648614), (14, 4749010), (20, 3324307), (28, 2374505), (35, 1899604), (49, 1356860), (70, 949802), (98, 678430), (140, 474901), (196, 339215), (245, 271372), (490, 135686), (980, 67843)]