128813860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{8933}}^1$

素因数の和:9052

約数の個数: 48

約数和(自身を含む): 312189696

約数和(自身を除く): 183375836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1442, 2060, 2884, 3605, 7210, 8933, 14420, 17866, 35732, 44665, 62531, 89330, 125062, 178660, 250124, 312655, 625310, 920099, 1250620, 1840198, 3680396, 4600495, 6440693, 9200990, 12881386, 18401980, 25762772, 32203465, 64406930, 128813860]

約数ペア:

[(1, 128813860), (2, 64406930), (4, 32203465), (5, 25762772), (7, 18401980), (10, 12881386), (14, 9200990), (20, 6440693), (28, 4600495), (35, 3680396), (70, 1840198), (103, 1250620), (140, 920099), (206, 625310), (412, 312655), (515, 250124), (721, 178660), (1030, 125062), (1442, 89330), (2060, 62531), (2884, 44665), (3605, 35732), (7210, 17866), (8933, 14420)]