249210002920

素因数分解:

$2^3\times 5^1\times {\mathrm{25243}}^1\times {\mathrm{246811}}^1$

素因数の和:272065

約数の個数: 32

約数和(自身を含む): 560746991520

約数和(自身を除く): 311536988600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 25243, 50486, 100972, 126215, 201944, 246811, 252430, 493622, 504860, 987244, 1009720, 1234055, 1974488, 2468110, 4936220, 9872440, 6230250073, 12460500146, 24921000292, 31151250365, 49842000584, 62302500730, 124605001460, 249210002920]

約数ペア:

[(1, 249210002920), (2, 124605001460), (4, 62302500730), (5, 49842000584), (8, 31151250365), (10, 24921000292), (20, 12460500146), (40, 6230250073), (25243, 9872440), (50486, 4936220), (100972, 2468110), (126215, 1974488), (201944, 1234055), (246811, 1009720), (252430, 987244), (493622, 504860)]