87416780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{2017}}^1$

素因数の和:2234

約数の個数: 48

約数和(自身を含む): 201380256

約数和(自身を除く): 113963476

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 197, 220, 394, 788, 985, 1970, 2017, 2167, 3940, 4034, 4334, 8068, 8668, 10085, 10835, 20170, 21670, 22187, 40340, 43340, 44374, 88748, 110935, 221870, 397349, 443740, 794698, 1589396, 1986745, 3973490, 4370839, 7946980, 8741678, 17483356, 21854195, 43708390, 87416780]

約数ペア:

[(1, 87416780), (2, 43708390), (4, 21854195), (5, 17483356), (10, 8741678), (11, 7946980), (20, 4370839), (22, 3973490), (44, 1986745), (55, 1589396), (110, 794698), (197, 443740), (220, 397349), (394, 221870), (788, 110935), (985, 88748), (1970, 44374), (2017, 43340), (2167, 40340), (3940, 22187), (4034, 21670), (4334, 20170), (8068, 10835), (8668, 10085)]