3198820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 7112448

約数和(自身を除く): 3913628

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 82, 83, 94, 164, 166, 188, 205, 235, 332, 410, 415, 470, 820, 830, 940, 1660, 1927, 3403, 3854, 3901, 6806, 7708, 7802, 9635, 13612, 15604, 17015, 19270, 19505, 34030, 38540, 39010, 68060, 78020, 159941, 319882, 639764, 799705, 1599410, 3198820]

約数ペア:

[(1, 3198820), (2, 1599410), (4, 799705), (5, 639764), (10, 319882), (20, 159941), (41, 78020), (47, 68060), (82, 39010), (83, 38540), (94, 34030), (164, 19505), (166, 19270), (188, 17015), (205, 15604), (235, 13612), (332, 9635), (410, 7802), (415, 7708), (470, 6806), (820, 3901), (830, 3854), (940, 3403), (1660, 1927)]