1269071740

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{3907}}^1$

素因数の和:4174

約数の個数: 48

約数和(自身を含む): 2708244000

約数和(自身を除く): 1439172260

約数列:

[1, 2, 4, 5, 10, 20, 109, 149, 218, 298, 436, 545, 596, 745, 1090, 1490, 2180, 2980, 3907, 7814, 15628, 16241, 19535, 32482, 39070, 64964, 78140, 81205, 162410, 324820, 425863, 582143, 851726, 1164286, 1703452, 2129315, 2328572, 2910715, 4258630, 5821430, 8517260, 11642860, 63453587, 126907174, 253814348, 317267935, 634535870, 1269071740]

約数ペア:

[(1, 1269071740), (2, 634535870), (4, 317267935), (5, 253814348), (10, 126907174), (20, 63453587), (109, 11642860), (149, 8517260), (218, 5821430), (298, 4258630), (436, 2910715), (545, 2328572), (596, 2129315), (745, 1703452), (1090, 1164286), (1490, 851726), (2180, 582143), (2980, 425863), (3907, 324820), (7814, 162410), (15628, 81205), (16241, 78140), (19535, 64964), (32482, 39070)]