858749980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1619}}^1\times {\mathrm{2411}}^1$

素因数の和:4050

約数の個数: 48

約数和(自身を含む): 1969349760

約数和(自身を除く): 1110599780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1619, 2411, 3238, 4822, 6476, 8095, 9644, 12055, 16190, 17809, 24110, 26521, 32380, 35618, 48220, 53042, 71236, 89045, 106084, 132605, 178090, 265210, 356180, 530420, 3903409, 7806818, 15613636, 19517045, 39034090, 42937499, 78068180, 85874998, 171749996, 214687495, 429374990, 858749980]

約数ペア:

[(1, 858749980), (2, 429374990), (4, 214687495), (5, 171749996), (10, 85874998), (11, 78068180), (20, 42937499), (22, 39034090), (44, 19517045), (55, 15613636), (110, 7806818), (220, 3903409), (1619, 530420), (2411, 356180), (3238, 265210), (4822, 178090), (6476, 132605), (8095, 106084), (9644, 89045), (12055, 71236), (16190, 53042), (17809, 48220), (24110, 35618), (26521, 32380)]