291230860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{7901}}^1$

素因数の和:8026

約数の個数: 48

約数和(自身を含む): 650492640

約数和(自身を除く): 359261780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 190, 194, 380, 388, 485, 970, 1843, 1940, 3686, 7372, 7901, 9215, 15802, 18430, 31604, 36860, 39505, 79010, 150119, 158020, 300238, 600476, 750595, 766397, 1501190, 1532794, 3002380, 3065588, 3831985, 7663970, 14561543, 15327940, 29123086, 58246172, 72807715, 145615430, 291230860]

約数ペア:

[(1, 291230860), (2, 145615430), (4, 72807715), (5, 58246172), (10, 29123086), (19, 15327940), (20, 14561543), (38, 7663970), (76, 3831985), (95, 3065588), (97, 3002380), (190, 1532794), (194, 1501190), (380, 766397), (388, 750595), (485, 600476), (970, 300238), (1843, 158020), (1940, 150119), (3686, 79010), (7372, 39505), (7901, 36860), (9215, 31604), (15802, 18430)]