190019950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1439}}^1$

素因数の和:1609

約数の個数: 48

約数和(自身を含む): 374976000

約数和(自身を除く): 184956050

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 139, 190, 278, 475, 695, 950, 1390, 1439, 2641, 2878, 3475, 5282, 6950, 7195, 13205, 14390, 26410, 27341, 35975, 54682, 66025, 71950, 132050, 136705, 200021, 273410, 400042, 683525, 1000105, 1367050, 2000210, 3800399, 5000525, 7600798, 10001050, 19001995, 38003990, 95009975, 190019950]

約数ペア:

[(1, 190019950), (2, 95009975), (5, 38003990), (10, 19001995), (19, 10001050), (25, 7600798), (38, 5000525), (50, 3800399), (95, 2000210), (139, 1367050), (190, 1000105), (278, 683525), (475, 400042), (695, 273410), (950, 200021), (1390, 136705), (1439, 132050), (2641, 71950), (2878, 66025), (3475, 54682), (5282, 35975), (6950, 27341), (7195, 26410), (13205, 14390)]