392904140

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{194507}}^1$

素因数の和:194617

約数の個数: 24

約数和(自身を含む): 833272272

約数和(自身を除く): 440368132

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 194507, 389014, 778028, 972535, 1945070, 3890140, 19645207, 39290414, 78580828, 98226035, 196452070, 392904140]

約数ペア:

[(1, 392904140), (2, 196452070), (4, 98226035), (5, 78580828), (10, 39290414), (20, 19645207), (101, 3890140), (202, 1945070), (404, 972535), (505, 778028), (1010, 389014), (2020, 194507)]