68659220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1223}}^1$

素因数の和:1640

約数の個数: 48

約数和(自身を含む): 165328128

約数和(自身を除く): 96668908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 401, 802, 1223, 1604, 2005, 2446, 2807, 4010, 4892, 5614, 6115, 8020, 8561, 11228, 12230, 14035, 17122, 24460, 28070, 34244, 42805, 56140, 85610, 171220, 490423, 980846, 1961692, 2452115, 3432961, 4904230, 6865922, 9808460, 13731844, 17164805, 34329610, 68659220]

約数ペア:

[(1, 68659220), (2, 34329610), (4, 17164805), (5, 13731844), (7, 9808460), (10, 6865922), (14, 4904230), (20, 3432961), (28, 2452115), (35, 1961692), (70, 980846), (140, 490423), (401, 171220), (802, 85610), (1223, 56140), (1604, 42805), (2005, 34244), (2446, 28070), (2807, 24460), (4010, 17122), (4892, 14035), (5614, 12230), (6115, 11228), (8020, 8561)]