388338910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{43487}}^1$

素因数の和:43560

約数の個数: 32

約数和(自身を含む): 751472640

約数和(自身を除く): 363133730

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 470, 893, 1786, 4465, 8930, 43487, 86974, 217435, 434870, 826253, 1652506, 2043889, 4087778, 4131265, 8262530, 10219445, 20438890, 38833891, 77667782, 194169455, 388338910]

約数ペア:

[(1, 388338910), (2, 194169455), (5, 77667782), (10, 38833891), (19, 20438890), (38, 10219445), (47, 8262530), (94, 4131265), (95, 4087778), (190, 2043889), (235, 1652506), (470, 826253), (893, 434870), (1786, 217435), (4465, 86974), (8930, 43487)]