148945820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{821}}^1$

素因数の和:1070

約数の個数: 48

約数和(自身を含む): 321487488

約数和(自身を除く): 172541668

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 193, 235, 386, 470, 772, 821, 940, 965, 1642, 1930, 3284, 3860, 4105, 8210, 9071, 16420, 18142, 36284, 38587, 45355, 77174, 90710, 154348, 158453, 181420, 192935, 316906, 385870, 633812, 771740, 792265, 1584530, 3169060, 7447291, 14894582, 29789164, 37236455, 74472910, 148945820]

約数ペア:

[(1, 148945820), (2, 74472910), (4, 37236455), (5, 29789164), (10, 14894582), (20, 7447291), (47, 3169060), (94, 1584530), (188, 792265), (193, 771740), (235, 633812), (386, 385870), (470, 316906), (772, 192935), (821, 181420), (940, 158453), (965, 154348), (1642, 90710), (1930, 77174), (3284, 45355), (3860, 38587), (4105, 36284), (8210, 18142), (9071, 16420)]