11478980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^2$

素因数の和:264

約数の個数: 36

約数和(自身を含む): 24756228

約数和(自身を除く): 13277248

約数列:

[1, 2, 4, 5, 10, 20, 61, 97, 122, 194, 244, 305, 388, 485, 610, 970, 1220, 1940, 5917, 9409, 11834, 18818, 23668, 29585, 37636, 47045, 59170, 94090, 118340, 188180, 573949, 1147898, 2295796, 2869745, 5739490, 11478980]

約数ペア:

[(1, 11478980), (2, 5739490), (4, 2869745), (5, 2295796), (10, 1147898), (20, 573949), (61, 188180), (97, 118340), (122, 94090), (194, 59170), (244, 47045), (305, 37636), (388, 29585), (485, 23668), (610, 18818), (970, 11834), (1220, 9409), (1940, 5917)]