11987220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{28541}}^1$

素因数の和:28560

約数の個数: 48

約数和(自身を含む): 38360448

約数和(自身を除く): 26373228

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, 28541, 57082, 85623, 114164, 142705, 171246, 199787, 285410, 342492, 399574, 428115, 570820, 599361, 799148, 856230, 998935, 1198722, 1712460, 1997870, 2397444, 2996805, 3995740, 5993610, 11987220]

約数ペア:

[(1, 11987220), (2, 5993610), (3, 3995740), (4, 2996805), (5, 2397444), (6, 1997870), (7, 1712460), (10, 1198722), (12, 998935), (14, 856230), (15, 799148), (20, 599361), (21, 570820), (28, 428115), (30, 399574), (35, 342492), (42, 285410), (60, 199787), (70, 171246), (84, 142705), (105, 114164), (140, 85623), (210, 57082), (420, 28541)]