289317770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{27739}}^1$

素因数の和:27902

約数の個数: 32

約数和(自身を含む): 599184000

約数和(自身を除く): 309866230

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 149, 298, 745, 1043, 1490, 2086, 5215, 10430, 27739, 55478, 138695, 194173, 277390, 388346, 970865, 1941730, 4133111, 8266222, 20665555, 28931777, 41331110, 57863554, 144658885, 289317770]

約数ペア:

[(1, 289317770), (2, 144658885), (5, 57863554), (7, 41331110), (10, 28931777), (14, 20665555), (35, 8266222), (70, 4133111), (149, 1941730), (298, 970865), (745, 388346), (1043, 277390), (1490, 194173), (2086, 138695), (5215, 55478), (10430, 27739)]