155805940

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{1997}}^1$

素因数の和:2136

約数の個数: 48

約数和(自身を含む): 338349312

約数和(自身を除く): 182543372

約数列:

[1, 2, 4, 5, 10, 20, 47, 83, 94, 166, 188, 235, 332, 415, 470, 830, 940, 1660, 1997, 3901, 3994, 7802, 7988, 9985, 15604, 19505, 19970, 39010, 39940, 78020, 93859, 165751, 187718, 331502, 375436, 469295, 663004, 828755, 938590, 1657510, 1877180, 3315020, 7790297, 15580594, 31161188, 38951485, 77902970, 155805940]

約数ペア:

[(1, 155805940), (2, 77902970), (4, 38951485), (5, 31161188), (10, 15580594), (20, 7790297), (47, 3315020), (83, 1877180), (94, 1657510), (166, 938590), (188, 828755), (235, 663004), (332, 469295), (415, 375436), (470, 331502), (830, 187718), (940, 165751), (1660, 93859), (1997, 78020), (3901, 39940), (3994, 39010), (7802, 19970), (7988, 19505), (9985, 15604)]