909860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 2239104

約数和(自身を除く): 1329244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 97, 134, 140, 194, 268, 335, 388, 469, 485, 670, 679, 938, 970, 1340, 1358, 1876, 1940, 2345, 2716, 3395, 4690, 6499, 6790, 9380, 12998, 13580, 25996, 32495, 45493, 64990, 90986, 129980, 181972, 227465, 454930, 909860]

約数ペア:

[(1, 909860), (2, 454930), (4, 227465), (5, 181972), (7, 129980), (10, 90986), (14, 64990), (20, 45493), (28, 32495), (35, 25996), (67, 13580), (70, 12998), (97, 9380), (134, 6790), (140, 6499), (194, 4690), (268, 3395), (335, 2716), (388, 2345), (469, 1940), (485, 1876), (670, 1358), (679, 1340), (938, 970)]