890295420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{2119751}}^1$

素因数の和:2119770

約数の個数: 48

約数和(自身を含む): 2848946688

約数和(自身を除く): 1958651268

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 2119751, 4239502, 6359253, 8479004, 10598755, 12718506, 14838257, 21197510, 25437012, 29676514, 31796265, 42395020, 44514771, 59353028, 63592530, 74191285, 89029542, 127185060, 148382570, 178059084, 222573855, 296765140, 445147710, 890295420]

約数ペア:

[(1, 890295420), (2, 445147710), (3, 296765140), (4, 222573855), (5, 178059084), (6, 148382570), (7, 127185060), (10, 89029542), (12, 74191285), (14, 63592530), (15, 59353028), (20, 44514771), (21, 42395020), (28, 31796265), (30, 29676514), (35, 25437012), (42, 21197510), (60, 14838257), (70, 12718506), (84, 10598755), (105, 8479004), (140, 6359253), (210, 4239502), (420, 2119751)]