122622280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{278687}}^1$

素因数の和:278709

約数の個数: 32

約数和(自身を含む): 300983040

約数和(自身を除く): 178360760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 278687, 557374, 1114748, 1393435, 2229496, 2786870, 3065557, 5573740, 6131114, 11147480, 12262228, 15327785, 24524456, 30655570, 61311140, 122622280]

約数ペア:

[(1, 122622280), (2, 61311140), (4, 30655570), (5, 24524456), (8, 15327785), (10, 12262228), (11, 11147480), (20, 6131114), (22, 5573740), (40, 3065557), (44, 2786870), (55, 2229496), (88, 1393435), (110, 1114748), (220, 557374), (440, 278687)]