31243700

素因数分解:

$2^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{3221}}^1$

素因数の和:3332

約数の個数: 36

約数和(自身を含む): 68519052

約数和(自身を除く): 37275352

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 194, 388, 485, 970, 1940, 2425, 3221, 4850, 6442, 9700, 12884, 16105, 32210, 64420, 80525, 161050, 312437, 322100, 624874, 1249748, 1562185, 3124370, 6248740, 7810925, 15621850, 31243700]

約数ペア:

[(1, 31243700), (2, 15621850), (4, 7810925), (5, 6248740), (10, 3124370), (20, 1562185), (25, 1249748), (50, 624874), (97, 322100), (100, 312437), (194, 161050), (388, 80525), (485, 64420), (970, 32210), (1940, 16105), (2425, 12884), (3221, 9700), (4850, 6442)]