201579420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{479951}}^1$

素因数の和:479970

約数の個数: 48

約数和(自身を含む): 645055488

約数和(自身を除く): 443476068

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, 479951, 959902, 1439853, 1919804, 2399755, 2879706, 3359657, 4799510, 5759412, 6719314, 7199265, 9599020, 10078971, 13438628, 14398530, 16798285, 20157942, 28797060, 33596570, 40315884, 50394855, 67193140, 100789710, 201579420]

約数ペア:

[(1, 201579420), (2, 100789710), (3, 67193140), (4, 50394855), (5, 40315884), (6, 33596570), (7, 28797060), (10, 20157942), (12, 16798285), (14, 14398530), (15, 13438628), (20, 10078971), (21, 9599020), (28, 7199265), (30, 6719314), (35, 5759412), (42, 4799510), (60, 3359657), (70, 2879706), (84, 2399755), (105, 1919804), (140, 1439853), (210, 959902), (420, 479951)]