247811740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{2213}}^1$

素因数の和:2742

約数の個数: 48

約数和(自身を含む): 569086560

約数和(自身を除く): 321274820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 509, 1018, 2036, 2213, 2545, 4426, 5090, 5599, 8852, 10180, 11065, 11198, 22130, 22396, 24343, 27995, 44260, 48686, 55990, 97372, 111980, 121715, 243430, 486860, 1126417, 2252834, 4505668, 5632085, 11264170, 12390587, 22528340, 24781174, 49562348, 61952935, 123905870, 247811740]

約数ペア:

[(1, 247811740), (2, 123905870), (4, 61952935), (5, 49562348), (10, 24781174), (11, 22528340), (20, 12390587), (22, 11264170), (44, 5632085), (55, 4505668), (110, 2252834), (220, 1126417), (509, 486860), (1018, 243430), (2036, 121715), (2213, 111980), (2545, 97372), (4426, 55990), (5090, 48686), (5599, 44260), (8852, 27995), (10180, 24343), (11065, 22396), (11198, 22130)]