872893820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{4409}}^1$

素因数の和:4958

約数の個数: 48

約数和(自身を含む): 1933696800

約数和(自身を除く): 1060802980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 521, 1042, 2084, 2605, 4409, 5210, 8818, 9899, 10420, 17636, 19798, 22045, 39596, 44090, 49495, 83771, 88180, 98990, 167542, 197980, 335084, 418855, 837710, 1675420, 2297089, 4594178, 9188356, 11485445, 22970890, 43644691, 45941780, 87289382, 174578764, 218223455, 436446910, 872893820]

約数ペア:

[(1, 872893820), (2, 436446910), (4, 218223455), (5, 174578764), (10, 87289382), (19, 45941780), (20, 43644691), (38, 22970890), (76, 11485445), (95, 9188356), (190, 4594178), (380, 2297089), (521, 1675420), (1042, 837710), (2084, 418855), (2605, 335084), (4409, 197980), (5210, 167542), (8818, 98990), (9899, 88180), (10420, 83771), (17636, 49495), (19798, 44090), (22045, 39596)]