7947270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{389}}^1$

素因数の和:629

約数の個数: 48

約数和(自身を含む): 20807280

約数和(自身を除く): 12860010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 227, 389, 454, 681, 778, 1135, 1167, 1362, 1945, 2043, 2270, 2334, 3405, 3501, 3890, 4086, 5835, 6810, 7002, 10215, 11670, 17505, 20430, 35010, 88303, 176606, 264909, 441515, 529818, 794727, 883030, 1324545, 1589454, 2649090, 3973635, 7947270]

約数ペア:

[(1, 7947270), (2, 3973635), (3, 2649090), (5, 1589454), (6, 1324545), (9, 883030), (10, 794727), (15, 529818), (18, 441515), (30, 264909), (45, 176606), (90, 88303), (227, 35010), (389, 20430), (454, 17505), (681, 11670), (778, 10215), (1135, 7002), (1167, 6810), (1362, 5835), (1945, 4086), (2043, 3890), (2270, 3501), (2334, 3405)]