290400100

素因数分解:

$2^2\times 5^2\times {\mathrm{2904001}}^1$

素因数の和:2904015

約数の個数: 18

約数和(自身を含む): 630168434

約数和(自身を除く): 339768334

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 2904001, 5808002, 11616004, 14520005, 29040010, 58080020, 72600025, 145200050, 290400100]

約数ペア:

[(1, 290400100), (2, 145200050), (4, 72600025), (5, 58080020), (10, 29040010), (20, 14520005), (25, 11616004), (50, 5808002), (100, 2904001)]