7278830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:165

約数の個数: 48

約数和(自身を含む): 14625360

約数和(自身を除く): 7346530

約数列:

[1, 2, 5, 10, 13, 26, 59, 65, 73, 118, 130, 146, 169, 295, 338, 365, 590, 730, 767, 845, 949, 1534, 1690, 1898, 3835, 4307, 4745, 7670, 8614, 9490, 9971, 12337, 19942, 21535, 24674, 43070, 49855, 55991, 61685, 99710, 111982, 123370, 279955, 559910, 727883, 1455766, 3639415, 7278830]

約数ペア:

[(1, 7278830), (2, 3639415), (5, 1455766), (10, 727883), (13, 559910), (26, 279955), (59, 123370), (65, 111982), (73, 99710), (118, 61685), (130, 55991), (146, 49855), (169, 43070), (295, 24674), (338, 21535), (365, 19942), (590, 12337), (730, 9971), (767, 9490), (845, 8614), (949, 7670), (1534, 4745), (1690, 4307), (1898, 3835)]