2490060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{883}}^1$

素因数の和:942

約数の個数: 48

約数和(自身を含む): 7128576

約数和(自身を除く): 4638516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 883, 940, 1410, 1766, 2649, 2820, 3532, 4415, 5298, 8830, 10596, 13245, 17660, 26490, 41501, 52980, 83002, 124503, 166004, 207505, 249006, 415010, 498012, 622515, 830020, 1245030, 2490060]

約数ペア:

[(1, 2490060), (2, 1245030), (3, 830020), (4, 622515), (5, 498012), (6, 415010), (10, 249006), (12, 207505), (15, 166004), (20, 124503), (30, 83002), (47, 52980), (60, 41501), (94, 26490), (141, 17660), (188, 13245), (235, 10596), (282, 8830), (470, 5298), (564, 4415), (705, 3532), (883, 2820), (940, 2649), (1410, 1766)]