2776804580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{28111}}^1$

素因数の和:28580

約数の個数: 48

約数和(自身を含む): 6375801600

約数和(自身を除く): 3598997020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 449, 898, 1796, 2245, 4490, 4939, 8980, 9878, 19756, 24695, 28111, 49390, 56222, 98780, 112444, 140555, 281110, 309221, 562220, 618442, 1236884, 1546105, 3092210, 6184420, 12621839, 25243678, 50487356, 63109195, 126218390, 138840229, 252436780, 277680458, 555360916, 694201145, 1388402290, 2776804580]

約数ペア:

[(1, 2776804580), (2, 1388402290), (4, 694201145), (5, 555360916), (10, 277680458), (11, 252436780), (20, 138840229), (22, 126218390), (44, 63109195), (55, 50487356), (110, 25243678), (220, 12621839), (449, 6184420), (898, 3092210), (1796, 1546105), (2245, 1236884), (4490, 618442), (4939, 562220), (8980, 309221), (9878, 281110), (19756, 140555), (24695, 112444), (28111, 98780), (49390, 56222)]