2247756440

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{359}}^1\times {\mathrm{997}}^1$

素因数の和:1524

約数の個数: 64

約数和(自身を含む): 5108961600

約数和(自身を除く): 2861205160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 359, 628, 718, 785, 997, 1256, 1436, 1570, 1795, 1994, 2872, 3140, 3590, 3988, 4985, 6280, 7180, 7976, 9970, 14360, 19940, 39880, 56363, 112726, 156529, 225452, 281815, 313058, 357923, 450904, 563630, 626116, 715846, 782645, 1127260, 1252232, 1431692, 1565290, 1789615, 2254520, 2863384, 3130580, 3579230, 6261160, 7158460, 14316920, 56193911, 112387822, 224775644, 280969555, 449551288, 561939110, 1123878220, 2247756440]

約数ペア:

[(1, 2247756440), (2, 1123878220), (4, 561939110), (5, 449551288), (8, 280969555), (10, 224775644), (20, 112387822), (40, 56193911), (157, 14316920), (314, 7158460), (359, 6261160), (628, 3579230), (718, 3130580), (785, 2863384), (997, 2254520), (1256, 1789615), (1436, 1565290), (1570, 1431692), (1795, 1252232), (1994, 1127260), (2872, 782645), (3140, 715846), (3590, 626116), (3988, 563630), (4985, 450904), (6280, 357923), (7180, 313058), (7976, 281815), (9970, 225452), (14360, 156529), (19940, 112726), (39880, 56363)]