1663242520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{115183}}^1$

素因数の和:115232

約数の個数: 48

約数和(自身を含む): 3949659360

約数和(自身を除く): 2286416840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2888, 3610, 7220, 14440, 115183, 230366, 460732, 575915, 921464, 1151830, 2188477, 2303660, 4376954, 4607320, 8753908, 10942385, 17507816, 21884770, 41581063, 43769540, 83162126, 87539080, 166324252, 207905315, 332648504, 415810630, 831621260, 1663242520]

約数ペア:

[(1, 1663242520), (2, 831621260), (4, 415810630), (5, 332648504), (8, 207905315), (10, 166324252), (19, 87539080), (20, 83162126), (38, 43769540), (40, 41581063), (76, 21884770), (95, 17507816), (152, 10942385), (190, 8753908), (361, 4607320), (380, 4376954), (722, 2303660), (760, 2188477), (1444, 1151830), (1805, 921464), (2888, 575915), (3610, 460732), (7220, 230366), (14440, 115183)]