394941940

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1\times {\mathrm{1097}}^1$

素因数の和:1536

約数の個数: 48

約数和(自身を含む): 850010112

約数和(自身を除く): 455068172

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 383, 470, 766, 940, 1097, 1532, 1915, 2194, 3830, 4388, 5485, 7660, 10970, 18001, 21940, 36002, 51559, 72004, 90005, 103118, 180010, 206236, 257795, 360020, 420151, 515590, 840302, 1031180, 1680604, 2100755, 4201510, 8403020, 19747097, 39494194, 78988388, 98735485, 197470970, 394941940]

約数ペア:

[(1, 394941940), (2, 197470970), (4, 98735485), (5, 78988388), (10, 39494194), (20, 19747097), (47, 8403020), (94, 4201510), (188, 2100755), (235, 1680604), (383, 1031180), (470, 840302), (766, 515590), (940, 420151), (1097, 360020), (1532, 257795), (1915, 206236), (2194, 180010), (3830, 103118), (4388, 90005), (5485, 72004), (7660, 51559), (10970, 36002), (18001, 21940)]