27900100

素因数分解:

$2^2\times 5^2\times {\mathrm{279001}}^1$

素因数の和:279015

約数の個数: 18

約数和(自身を含む): 60543434

約数和(自身を除く): 32643334

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 279001, 558002, 1116004, 1395005, 2790010, 5580020, 6975025, 13950050, 27900100]

約数ペア:

[(1, 27900100), (2, 13950050), (4, 6975025), (5, 5580020), (10, 2790010), (20, 1395005), (25, 1116004), (50, 558002), (100, 279001)]