7946680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 20710080

約数和(自身を除く): 12763400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 280, 281, 404, 505, 562, 707, 808, 1010, 1124, 1405, 1414, 1967, 2020, 2248, 2810, 2828, 3535, 3934, 4040, 5620, 5656, 7070, 7868, 9835, 11240, 14140, 15736, 19670, 28280, 28381, 39340, 56762, 78680, 113524, 141905, 198667, 227048, 283810, 397334, 567620, 794668, 993335, 1135240, 1589336, 1986670, 3973340, 7946680]

約数ペア:

[(1, 7946680), (2, 3973340), (4, 1986670), (5, 1589336), (7, 1135240), (8, 993335), (10, 794668), (14, 567620), (20, 397334), (28, 283810), (35, 227048), (40, 198667), (56, 141905), (70, 113524), (101, 78680), (140, 56762), (202, 39340), (280, 28381), (281, 28280), (404, 19670), (505, 15736), (562, 14140), (707, 11240), (808, 9835), (1010, 7868), (1124, 7070), (1405, 5656), (1414, 5620), (1967, 4040), (2020, 3934), (2248, 3535), (2810, 2828)]