4740260

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{691}}^1$

素因数の和:721

約数の個数: 48

約数和(自身を含む): 11625600

約数和(自身を除く): 6885340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 691, 980, 1372, 1382, 1715, 2764, 3430, 3455, 4837, 6860, 6910, 9674, 13820, 19348, 24185, 33859, 48370, 67718, 96740, 135436, 169295, 237013, 338590, 474026, 677180, 948052, 1185065, 2370130, 4740260]

約数ペア:

[(1, 4740260), (2, 2370130), (4, 1185065), (5, 948052), (7, 677180), (10, 474026), (14, 338590), (20, 237013), (28, 169295), (35, 135436), (49, 96740), (70, 67718), (98, 48370), (140, 33859), (196, 24185), (245, 19348), (343, 13820), (490, 9674), (686, 6910), (691, 6860), (980, 4837), (1372, 3455), (1382, 3430), (1715, 2764)]