138707980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{365021}}^1$

素因数の和:365049

約数の個数: 24

約数和(自身を含む): 306618480

約数和(自身を除く): 167910500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 365021, 730042, 1460084, 1825105, 3650210, 6935399, 7300420, 13870798, 27741596, 34676995, 69353990, 138707980]

約数ペア:

[(1, 138707980), (2, 69353990), (4, 34676995), (5, 27741596), (10, 13870798), (19, 7300420), (20, 6935399), (38, 3650210), (76, 1825105), (95, 1460084), (190, 730042), (380, 365021)]