139047100

素因数分解:

$2^2\times 5^2\times {\mathrm{1390471}}^1$

素因数の和:1390485

約数の個数: 18

約数和(自身を含む): 301732424

約数和(自身を除く): 162685324

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1390471, 2780942, 5561884, 6952355, 13904710, 27809420, 34761775, 69523550, 139047100]

約数ペア:

[(1, 139047100), (2, 69523550), (4, 34761775), (5, 27809420), (10, 13904710), (20, 6952355), (25, 5561884), (50, 2780942), (100, 1390471)]