201291890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{5021}}^1$

素因数の和:5258

約数の個数: 32

約数和(自身を含む): 383279040

約数和(自身を除く): 181987150

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 211, 422, 1055, 2110, 4009, 5021, 8018, 10042, 20045, 25105, 40090, 50210, 95399, 190798, 476995, 953990, 1059431, 2118862, 5297155, 10594310, 20129189, 40258378, 100645945, 201291890]

約数ペア:

[(1, 201291890), (2, 100645945), (5, 40258378), (10, 20129189), (19, 10594310), (38, 5297155), (95, 2118862), (190, 1059431), (211, 953990), (422, 476995), (1055, 190798), (2110, 95399), (4009, 50210), (5021, 40090), (8018, 25105), (10042, 20045)]