1988690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:298

約数の個数: 32

約数和(自身を含む): 3965760

約数和(自身を除く): 1977070

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 179, 202, 358, 505, 895, 1010, 1111, 1790, 1969, 2222, 3938, 5555, 9845, 11110, 18079, 19690, 36158, 90395, 180790, 198869, 397738, 994345, 1988690]

約数ペア:

[(1, 1988690), (2, 994345), (5, 397738), (10, 198869), (11, 180790), (22, 90395), (55, 36158), (101, 19690), (110, 18079), (179, 11110), (202, 9845), (358, 5555), (505, 3938), (895, 2222), (1010, 1969), (1111, 1790)]