431189660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{9949}}^1$

素因数の和:10166

約数の個数: 48

約数和(自身を含む): 992930400

約数和(自身を除く): 561740740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 197, 220, 394, 788, 985, 1970, 2167, 3940, 4334, 8668, 9949, 10835, 19898, 21670, 39796, 43340, 49745, 99490, 109439, 198980, 218878, 437756, 547195, 1094390, 1959953, 2188780, 3919906, 7839812, 9799765, 19599530, 21559483, 39199060, 43118966, 86237932, 107797415, 215594830, 431189660]

約数ペア:

[(1, 431189660), (2, 215594830), (4, 107797415), (5, 86237932), (10, 43118966), (11, 39199060), (20, 21559483), (22, 19599530), (44, 9799765), (55, 7839812), (110, 3919906), (197, 2188780), (220, 1959953), (394, 1094390), (788, 547195), (985, 437756), (1970, 218878), (2167, 198980), (3940, 109439), (4334, 99490), (8668, 49745), (9949, 43340), (10835, 39796), (19898, 21670)]