797900

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:194

約数の個数: 36

約数和(自身を含む): 1770720

約数和(自身を除く): 972820

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 101, 158, 202, 316, 395, 404, 505, 790, 1010, 1580, 1975, 2020, 2525, 3950, 5050, 7900, 7979, 10100, 15958, 31916, 39895, 79790, 159580, 199475, 398950, 797900]

約数ペア:

[(1, 797900), (2, 398950), (4, 199475), (5, 159580), (10, 79790), (20, 39895), (25, 31916), (50, 15958), (79, 10100), (100, 7979), (101, 7900), (158, 5050), (202, 3950), (316, 2525), (395, 2020), (404, 1975), (505, 1580), (790, 1010)]