72022100

素因数分解:

$2^2\times 5^2\times {\mathrm{720221}}^1$

素因数の和:720235

約数の個数: 18

約数和(自身を含む): 156288174

約数和(自身を除く): 84266074

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 720221, 1440442, 2880884, 3601105, 7202210, 14404420, 18005525, 36011050, 72022100]

約数ペア:

[(1, 72022100), (2, 36011050), (4, 18005525), (5, 14404420), (10, 7202210), (20, 3601105), (25, 2880884), (50, 1440442), (100, 720221)]