2009721890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{677}}^1\times {\mathrm{26987}}^1$

素因数の和:27682

約数の個数: 32

約数和(自身を含む): 3952338624

約数和(自身を除く): 1942616734

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 677, 1354, 3385, 6770, 7447, 14894, 26987, 37235, 53974, 74470, 134935, 269870, 296857, 593714, 1484285, 2968570, 18270199, 36540398, 91350995, 182701990, 200972189, 401944378, 1004860945, 2009721890]

約数ペア:

[(1, 2009721890), (2, 1004860945), (5, 401944378), (10, 200972189), (11, 182701990), (22, 91350995), (55, 36540398), (110, 18270199), (677, 2968570), (1354, 1484285), (3385, 593714), (6770, 296857), (7447, 269870), (14894, 134935), (26987, 74470), (37235, 53974)]