308342020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{4327}}^1$

素因数の和:4852

約数の個数: 48

約数和(自身を含む): 741646080

約数和(自身を除く): 433304060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509, 1018, 2036, 2545, 3563, 4327, 5090, 7126, 8654, 10180, 14252, 17308, 17815, 21635, 30289, 35630, 43270, 60578, 71260, 86540, 121156, 151445, 302890, 605780, 2202443, 4404886, 8809772, 11012215, 15417101, 22024430, 30834202, 44048860, 61668404, 77085505, 154171010, 308342020]

約数ペア:

[(1, 308342020), (2, 154171010), (4, 77085505), (5, 61668404), (7, 44048860), (10, 30834202), (14, 22024430), (20, 15417101), (28, 11012215), (35, 8809772), (70, 4404886), (140, 2202443), (509, 605780), (1018, 302890), (2036, 151445), (2545, 121156), (3563, 86540), (4327, 71260), (5090, 60578), (7126, 43270), (8654, 35630), (10180, 30289), (14252, 21635), (17308, 17815)]