123531940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{233}}^1\times {\mathrm{541}}^1$

素因数の和:797

約数の個数: 72

約数和(自身を含む): 303626232

約数和(自身を除く): 180094292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 233, 245, 466, 490, 541, 932, 980, 1082, 1165, 1631, 2164, 2330, 2705, 3262, 3787, 4660, 5410, 6524, 7574, 8155, 10820, 11417, 15148, 16310, 18935, 22834, 26509, 32620, 37870, 45668, 53018, 57085, 75740, 106036, 114170, 126053, 132545, 228340, 252106, 265090, 504212, 530180, 630265, 882371, 1260530, 1764742, 2521060, 3529484, 4411855, 6176597, 8823710, 12353194, 17647420, 24706388, 30882985, 61765970, 123531940]

約数ペア:

[(1, 123531940), (2, 61765970), (4, 30882985), (5, 24706388), (7, 17647420), (10, 12353194), (14, 8823710), (20, 6176597), (28, 4411855), (35, 3529484), (49, 2521060), (70, 1764742), (98, 1260530), (140, 882371), (196, 630265), (233, 530180), (245, 504212), (466, 265090), (490, 252106), (541, 228340), (932, 132545), (980, 126053), (1082, 114170), (1165, 106036), (1631, 75740), (2164, 57085), (2330, 53018), (2705, 45668), (3262, 37870), (3787, 32620), (4660, 26509), (5410, 22834), (6524, 18935), (7574, 16310), (8155, 15148), (10820, 11417)]