129748900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{44741}}^1$

素因数の和:44784

約数の個数: 36

約数和(自身を含む): 291270420

約数和(自身を除く): 161521520

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 44741, 89482, 178964, 223705, 447410, 894820, 1118525, 1297489, 2237050, 2594978, 4474100, 5189956, 6487445, 12974890, 25949780, 32437225, 64874450, 129748900]

約数ペア:

[(1, 129748900), (2, 64874450), (4, 32437225), (5, 25949780), (10, 12974890), (20, 6487445), (25, 5189956), (29, 4474100), (50, 2594978), (58, 2237050), (100, 1297489), (116, 1118525), (145, 894820), (290, 447410), (580, 223705), (725, 178964), (1450, 89482), (2900, 44741)]