275307117580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1999}}^1\times {\mathrm{626011}}^1$

素因数の和:628030

約数の個数: 48

約数和(自身を含む): 631020096000

約数和(自身を除く): 355712978420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1999, 3998, 7996, 9995, 19990, 21989, 39980, 43978, 87956, 109945, 219890, 439780, 626011, 1252022, 2504044, 3130055, 6260110, 6886121, 12520220, 13772242, 27544484, 34430605, 68861210, 137722420, 1251395989, 2502791978, 5005583956, 6256979945, 12513959890, 13765355879, 25027919780, 27530711758, 55061423516, 68826779395, 137653558790, 275307117580]

約数ペア:

[(1, 275307117580), (2, 137653558790), (4, 68826779395), (5, 55061423516), (10, 27530711758), (11, 25027919780), (20, 13765355879), (22, 12513959890), (44, 6256979945), (55, 5005583956), (110, 2502791978), (220, 1251395989), (1999, 137722420), (3998, 68861210), (7996, 34430605), (9995, 27544484), (19990, 13772242), (21989, 12520220), (39980, 6886121), (43978, 6260110), (87956, 3130055), (109945, 2504044), (219890, 1252022), (439780, 626011)]