1551116420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{21767}}^1$

素因数の和:22292

約数の個数: 48

約数和(自身を含む): 3730164480

約数和(自身を除く): 2179048060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509, 1018, 2036, 2545, 3563, 5090, 7126, 10180, 14252, 17815, 21767, 35630, 43534, 71260, 87068, 108835, 152369, 217670, 304738, 435340, 609476, 761845, 1523690, 3047380, 11079403, 22158806, 44317612, 55397015, 77555821, 110794030, 155111642, 221588060, 310223284, 387779105, 775558210, 1551116420]

約数ペア:

[(1, 1551116420), (2, 775558210), (4, 387779105), (5, 310223284), (7, 221588060), (10, 155111642), (14, 110794030), (20, 77555821), (28, 55397015), (35, 44317612), (70, 22158806), (140, 11079403), (509, 3047380), (1018, 1523690), (2036, 761845), (2545, 609476), (3563, 435340), (5090, 304738), (7126, 217670), (10180, 152369), (14252, 108835), (17815, 87068), (21767, 71260), (35630, 43534)]