3928900

素因数分解:

$2^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:504

約数の個数: 36

約数和(自身を含む): 8632260

約数和(自身を除く): 4703360

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 202, 389, 404, 505, 778, 1010, 1556, 1945, 2020, 2525, 3890, 5050, 7780, 9725, 10100, 19450, 38900, 39289, 78578, 157156, 196445, 392890, 785780, 982225, 1964450, 3928900]

約数ペア:

[(1, 3928900), (2, 1964450), (4, 982225), (5, 785780), (10, 392890), (20, 196445), (25, 157156), (50, 78578), (100, 39289), (101, 38900), (202, 19450), (389, 10100), (404, 9725), (505, 7780), (778, 5050), (1010, 3890), (1556, 2525), (1945, 2020)]