81914370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{13721}}^1$

素因数の和:13930

約数の個数: 32

約数和(自身を含む): 197596800

約数和(自身を除く): 115682430

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 199, 398, 597, 995, 1194, 1990, 2985, 5970, 13721, 27442, 41163, 68605, 82326, 137210, 205815, 411630, 2730479, 5460958, 8191437, 13652395, 16382874, 27304790, 40957185, 81914370]

約数ペア:

[(1, 81914370), (2, 40957185), (3, 27304790), (5, 16382874), (6, 13652395), (10, 8191437), (15, 5460958), (30, 2730479), (199, 411630), (398, 205815), (597, 137210), (995, 82326), (1194, 68605), (1990, 41163), (2985, 27442), (5970, 13721)]