28949340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{68927}}^1$

素因数の和:68946

約数の個数: 48

約数和(自身を含む): 92639232

約数和(自身を除く): 63689892

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 68927, 137854, 206781, 275708, 344635, 413562, 482489, 689270, 827124, 964978, 1033905, 1378540, 1447467, 1929956, 2067810, 2412445, 2894934, 4135620, 4824890, 5789868, 7237335, 9649780, 14474670, 28949340]

約数ペア:

[(1, 28949340), (2, 14474670), (3, 9649780), (4, 7237335), (5, 5789868), (6, 4824890), (7, 4135620), (10, 2894934), (12, 2412445), (14, 2067810), (15, 1929956), (20, 1447467), (21, 1378540), (28, 1033905), (30, 964978), (35, 827124), (42, 689270), (60, 482489), (70, 413562), (84, 344635), (105, 275708), (140, 206781), (210, 137854), (420, 68927)]