91290820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{3041}}^1$

素因数の和:3148

約数の個数: 48

約数和(自身を含む): 204422400

約数和(自身を除く): 113131580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 790, 1501, 1580, 3002, 3041, 6004, 6082, 7505, 12164, 15010, 15205, 30020, 30410, 57779, 60820, 115558, 231116, 240239, 288895, 480478, 577790, 960956, 1155580, 1201195, 2402390, 4564541, 4804780, 9129082, 18258164, 22822705, 45645410, 91290820]

約数ペア:

[(1, 91290820), (2, 45645410), (4, 22822705), (5, 18258164), (10, 9129082), (19, 4804780), (20, 4564541), (38, 2402390), (76, 1201195), (79, 1155580), (95, 960956), (158, 577790), (190, 480478), (316, 288895), (380, 240239), (395, 231116), (790, 115558), (1501, 60820), (1580, 57779), (3002, 30410), (3041, 30020), (6004, 15205), (6082, 15010), (7505, 12164)]