986814820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1\times {\mathrm{2741}}^1$

素因数の和:3180

約数の個数: 48

約数和(自身を含む): 2122702848

約数和(自身を除く): 1135888028

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 383, 470, 766, 940, 1532, 1915, 2741, 3830, 5482, 7660, 10964, 13705, 18001, 27410, 36002, 54820, 72004, 90005, 128827, 180010, 257654, 360020, 515308, 644135, 1049803, 1288270, 2099606, 2576540, 4199212, 5249015, 10498030, 20996060, 49340741, 98681482, 197362964, 246703705, 493407410, 986814820]

約数ペア:

[(1, 986814820), (2, 493407410), (4, 246703705), (5, 197362964), (10, 98681482), (20, 49340741), (47, 20996060), (94, 10498030), (188, 5249015), (235, 4199212), (383, 2576540), (470, 2099606), (766, 1288270), (940, 1049803), (1532, 644135), (1915, 515308), (2741, 360020), (3830, 257654), (5482, 180010), (7660, 128827), (10964, 90005), (13705, 72004), (18001, 54820), (27410, 36002)]