16449260

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 35726880

約数和(自身を除く): 19277620

約数列:

[1, 2, 4, 5, 10, 20, 61, 97, 122, 139, 194, 244, 278, 305, 388, 485, 556, 610, 695, 970, 1220, 1390, 1940, 2780, 5917, 8479, 11834, 13483, 16958, 23668, 26966, 29585, 33916, 42395, 53932, 59170, 67415, 84790, 118340, 134830, 169580, 269660, 822463, 1644926, 3289852, 4112315, 8224630, 16449260]

約数ペア:

[(1, 16449260), (2, 8224630), (4, 4112315), (5, 3289852), (10, 1644926), (20, 822463), (61, 269660), (97, 169580), (122, 134830), (139, 118340), (194, 84790), (244, 67415), (278, 59170), (305, 53932), (388, 42395), (485, 33916), (556, 29585), (610, 26966), (695, 23668), (970, 16958), (1220, 13483), (1390, 11834), (1940, 8479), (2780, 5917)]