13972100

素因数分解:

$2^2\times 5^2\times {\mathrm{139721}}^1$

素因数の和:139735

約数の個数: 18

約数和(自身を含む): 30319674

約数和(自身を除く): 16347574

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 139721, 279442, 558884, 698605, 1397210, 2794420, 3493025, 6986050, 13972100]

約数ペア:

[(1, 13972100), (2, 6986050), (4, 3493025), (5, 2794420), (10, 1397210), (20, 698605), (25, 558884), (50, 279442), (100, 139721)]