309417640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1105063}}^1$

素因数の和:1105081

約数の個数: 32

約数和(自身を含む): 795646080

約数和(自身を除く): 486228440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1105063, 2210126, 4420252, 5525315, 7735441, 8840504, 11050630, 15470882, 22101260, 30941764, 38677205, 44202520, 61883528, 77354410, 154708820, 309417640]

約数ペア:

[(1, 309417640), (2, 154708820), (4, 77354410), (5, 61883528), (7, 44202520), (8, 38677205), (10, 30941764), (14, 22101260), (20, 15470882), (28, 11050630), (35, 8840504), (40, 7735441), (56, 5525315), (70, 4420252), (140, 2210126), (280, 1105063)]