774990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:201

約数の個数: 48

約数和(自身を含む): 2059200

約数和(自身を除く): 1284210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 79, 90, 109, 158, 218, 237, 327, 395, 474, 545, 654, 711, 790, 981, 1090, 1185, 1422, 1635, 1962, 2370, 3270, 3555, 4905, 7110, 8611, 9810, 17222, 25833, 43055, 51666, 77499, 86110, 129165, 154998, 258330, 387495, 774990]

約数ペア:

[(1, 774990), (2, 387495), (3, 258330), (5, 154998), (6, 129165), (9, 86110), (10, 77499), (15, 51666), (18, 43055), (30, 25833), (45, 17222), (79, 9810), (90, 8611), (109, 7110), (158, 4905), (218, 3555), (237, 3270), (327, 2370), (395, 1962), (474, 1635), (545, 1422), (654, 1185), (711, 1090), (790, 981)]