630236450

素因数分解:

$2^1\times 5^2\times {\mathrm{643}}^1\times {\mathrm{19603}}^1$

素因数の和:20258

約数の個数: 24

約数和(自身を含む): 1174122768

約数和(自身を除く): 543886318

約数列:

[1, 2, 5, 10, 25, 50, 643, 1286, 3215, 6430, 16075, 19603, 32150, 39206, 98015, 196030, 490075, 980150, 12604729, 25209458, 63023645, 126047290, 315118225, 630236450]

約数ペア:

[(1, 630236450), (2, 315118225), (5, 126047290), (10, 63023645), (25, 25209458), (50, 12604729), (643, 980150), (1286, 490075), (3215, 196030), (6430, 98015), (16075, 39206), (19603, 32150)]