648037210

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{449}}^1\times {\mathrm{1429}}^1$

素因数の和:1986

約数の個数: 32

約数和(自身を含む): 1181466000

約数和(自身を除く): 533428790

約数列:

[1, 2, 5, 10, 101, 202, 449, 505, 898, 1010, 1429, 2245, 2858, 4490, 7145, 14290, 45349, 90698, 144329, 226745, 288658, 453490, 641621, 721645, 1283242, 1443290, 3208105, 6416210, 64803721, 129607442, 324018605, 648037210]

約数ペア:

[(1, 648037210), (2, 324018605), (5, 129607442), (10, 64803721), (101, 6416210), (202, 3208105), (449, 1443290), (505, 1283242), (898, 721645), (1010, 641621), (1429, 453490), (2245, 288658), (2858, 226745), (4490, 144329), (7145, 90698), (14290, 45349)]