902510140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1009}}^1\times {\mathrm{6389}}^1$

素因数の和:7414

約数の個数: 48

約数和(自身を含む): 2168510400

約数和(自身を除く): 1266000260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1009, 2018, 4036, 5045, 6389, 7063, 10090, 12778, 14126, 20180, 25556, 28252, 31945, 35315, 44723, 63890, 70630, 89446, 127780, 141260, 178892, 223615, 447230, 894460, 6446501, 12893002, 25786004, 32232505, 45125507, 64465010, 90251014, 128930020, 180502028, 225627535, 451255070, 902510140]

約数ペア:

[(1, 902510140), (2, 451255070), (4, 225627535), (5, 180502028), (7, 128930020), (10, 90251014), (14, 64465010), (20, 45125507), (28, 32232505), (35, 25786004), (70, 12893002), (140, 6446501), (1009, 894460), (2018, 447230), (4036, 223615), (5045, 178892), (6389, 141260), (7063, 127780), (10090, 89446), (12778, 70630), (14126, 63890), (20180, 44723), (25556, 35315), (28252, 31945)]