1220162860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{8715449}}^1$

素因数の和:8715465

約数の個数: 24

約数和(自身を含む): 2928391200

約数和(自身を除く): 1708228340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 8715449, 17430898, 34861796, 43577245, 61008143, 87154490, 122016286, 174308980, 244032572, 305040715, 610081430, 1220162860]

約数ペア:

[(1, 1220162860), (2, 610081430), (4, 305040715), (5, 244032572), (7, 174308980), (10, 122016286), (14, 87154490), (20, 61008143), (28, 43577245), (35, 34861796), (70, 17430898), (140, 8715449)]