1900522330

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{3878617}}^1$

素因数の和:3878638

約数の個数: 24

約数和(自身を含む): 3979462068

約数和(自身を除く): 2078939738

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 3878617, 7757234, 19393085, 27150319, 38786170, 54300638, 135751595, 190052233, 271503190, 380104466, 950261165, 1900522330]

約数ペア:

[(1, 1900522330), (2, 950261165), (5, 380104466), (7, 271503190), (10, 190052233), (14, 135751595), (35, 54300638), (49, 38786170), (70, 27150319), (98, 19393085), (245, 7757234), (490, 3878617)]