71802140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{188953}}^1$

素因数の和:188981

約数の個数: 24

約数和(自身を含む): 158721360

約数和(自身を除く): 86919220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 188953, 377906, 755812, 944765, 1889530, 3590107, 3779060, 7180214, 14360428, 17950535, 35901070, 71802140]

約数ペア:

[(1, 71802140), (2, 35901070), (4, 17950535), (5, 14360428), (10, 7180214), (19, 3779060), (20, 3590107), (38, 1889530), (76, 944765), (95, 755812), (190, 377906), (380, 188953)]