13639460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 30240000

約数和(自身を除く): 16600540

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 149, 199, 230, 298, 398, 460, 596, 745, 796, 995, 1490, 1990, 2980, 3427, 3980, 4577, 6854, 9154, 13708, 17135, 18308, 22885, 29651, 34270, 45770, 59302, 68540, 91540, 118604, 148255, 296510, 593020, 681973, 1363946, 2727892, 3409865, 6819730, 13639460]

約数ペア:

[(1, 13639460), (2, 6819730), (4, 3409865), (5, 2727892), (10, 1363946), (20, 681973), (23, 593020), (46, 296510), (92, 148255), (115, 118604), (149, 91540), (199, 68540), (230, 59302), (298, 45770), (398, 34270), (460, 29651), (596, 22885), (745, 18308), (796, 17135), (995, 13708), (1490, 9154), (1990, 6854), (2980, 4577), (3427, 3980)]