1917740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 4596480

約数和(自身を除く): 2678740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 379, 460, 506, 758, 1012, 1265, 1516, 1895, 2530, 3790, 4169, 5060, 7580, 8338, 8717, 16676, 17434, 20845, 34868, 41690, 43585, 83380, 87170, 95887, 174340, 191774, 383548, 479435, 958870, 1917740]

約数ペア:

[(1, 1917740), (2, 958870), (4, 479435), (5, 383548), (10, 191774), (11, 174340), (20, 95887), (22, 87170), (23, 83380), (44, 43585), (46, 41690), (55, 34868), (92, 20845), (110, 17434), (115, 16676), (220, 8717), (230, 8338), (253, 7580), (379, 5060), (460, 4169), (506, 3790), (758, 2530), (1012, 1895), (1265, 1516)]