1279390

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{373}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 2692800

約数和(自身を除く): 1413410

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 373, 490, 686, 746, 1715, 1865, 2611, 3430, 3730, 5222, 13055, 18277, 26110, 36554, 91385, 127939, 182770, 255878, 639695, 1279390]

約数ペア:

[(1, 1279390), (2, 639695), (5, 255878), (7, 182770), (10, 127939), (14, 91385), (35, 36554), (49, 26110), (70, 18277), (98, 13055), (245, 5222), (343, 3730), (373, 3430), (490, 2611), (686, 1865), (746, 1715)]