9985980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1117}}^1$

素因数の和:1278

約数の個数: 48

約数和(自身を含む): 28173600

約数和(自身を除く): 18187620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 149, 298, 447, 596, 745, 894, 1117, 1490, 1788, 2234, 2235, 2980, 3351, 4468, 4470, 5585, 6702, 8940, 11170, 13404, 16755, 22340, 33510, 67020, 166433, 332866, 499299, 665732, 832165, 998598, 1664330, 1997196, 2496495, 3328660, 4992990, 9985980]

約数ペア:

[(1, 9985980), (2, 4992990), (3, 3328660), (4, 2496495), (5, 1997196), (6, 1664330), (10, 998598), (12, 832165), (15, 665732), (20, 499299), (30, 332866), (60, 166433), (149, 67020), (298, 33510), (447, 22340), (596, 16755), (745, 13404), (894, 11170), (1117, 8940), (1490, 6702), (1788, 5585), (2234, 4470), (2235, 4468), (2980, 3351)]