69921070

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1\times {\mathrm{313}}^1$

素因数の和:660

約数の個数: 32

約数和(自身を含む): 128187360

約数和(自身を除く): 58266290

約数列:

[1, 2, 5, 10, 89, 178, 251, 313, 445, 502, 626, 890, 1255, 1565, 2510, 3130, 22339, 27857, 44678, 55714, 78563, 111695, 139285, 157126, 223390, 278570, 392815, 785630, 6992107, 13984214, 34960535, 69921070]

約数ペア:

[(1, 69921070), (2, 34960535), (5, 13984214), (10, 6992107), (89, 785630), (178, 392815), (251, 278570), (313, 223390), (445, 157126), (502, 139285), (626, 111695), (890, 78563), (1255, 55714), (1565, 44678), (2510, 27857), (3130, 22339)]