209322820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1495163}}^1$

素因数の和:1495179

約数の個数: 24

約数和(自身を含む): 502375104

約数和(自身を除く): 293052284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1495163, 2990326, 5980652, 7475815, 10466141, 14951630, 20932282, 29903260, 41864564, 52330705, 104661410, 209322820]

約数ペア:

[(1, 209322820), (2, 104661410), (4, 52330705), (5, 41864564), (7, 29903260), (10, 20932282), (14, 14951630), (20, 10466141), (28, 7475815), (35, 5980652), (70, 2990326), (140, 1495163)]