7408040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:186

約数の個数: 64

約数和(自身を含む): 17582400

約数和(自身を除く): 10174360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 59, 73, 86, 118, 146, 172, 215, 236, 292, 295, 344, 365, 430, 472, 584, 590, 730, 860, 1180, 1460, 1720, 2360, 2537, 2920, 3139, 4307, 5074, 6278, 8614, 10148, 12556, 12685, 15695, 17228, 20296, 21535, 25112, 25370, 31390, 34456, 43070, 50740, 62780, 86140, 101480, 125560, 172280, 185201, 370402, 740804, 926005, 1481608, 1852010, 3704020, 7408040]

約数ペア:

[(1, 7408040), (2, 3704020), (4, 1852010), (5, 1481608), (8, 926005), (10, 740804), (20, 370402), (40, 185201), (43, 172280), (59, 125560), (73, 101480), (86, 86140), (118, 62780), (146, 50740), (172, 43070), (215, 34456), (236, 31390), (292, 25370), (295, 25112), (344, 21535), (365, 20296), (430, 17228), (472, 15695), (584, 12685), (590, 12556), (730, 10148), (860, 8614), (1180, 6278), (1460, 5074), (1720, 4307), (2360, 3139), (2537, 2920)]