308049680

素因数分解:

$2^4\times 5^1\times {\mathrm{3850621}}^1$

素因数の和:3850634

約数の個数: 20

約数和(自身を含む): 716215692

約数和(自身を除く): 408166012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3850621, 7701242, 15402484, 19253105, 30804968, 38506210, 61609936, 77012420, 154024840, 308049680]

約数ペア:

[(1, 308049680), (2, 154024840), (4, 77012420), (5, 61609936), (8, 38506210), (10, 30804968), (16, 19253105), (20, 15402484), (40, 7701242), (80, 3850621)]