312367020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{743731}}^1$

素因数の和:743750

約数の個数: 48

約数和(自身を含む): 999575808

約数和(自身を除く): 687208788

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, 743731, 1487462, 2231193, 2974924, 3718655, 4462386, 5206117, 7437310, 8924772, 10412234, 11155965, 14874620, 15618351, 20824468, 22311930, 26030585, 31236702, 44623860, 52061170, 62473404, 78091755, 104122340, 156183510, 312367020]

約数ペア:

[(1, 312367020), (2, 156183510), (3, 104122340), (4, 78091755), (5, 62473404), (6, 52061170), (7, 44623860), (10, 31236702), (12, 26030585), (14, 22311930), (15, 20824468), (20, 15618351), (21, 14874620), (28, 11155965), (30, 10412234), (35, 8924772), (42, 7437310), (60, 5206117), (70, 4462386), (84, 3718655), (105, 2974924), (140, 2231193), (210, 1487462), (420, 743731)]