196240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1$

素因数の和:247

約数の個数: 40

約数和(自身を含む): 499968

約数和(自身を除く): 303728

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 223, 440, 446, 880, 892, 1115, 1784, 2230, 2453, 3568, 4460, 4906, 8920, 9812, 12265, 17840, 19624, 24530, 39248, 49060, 98120, 196240]

約数ペア:

[(1, 196240), (2, 98120), (4, 49060), (5, 39248), (8, 24530), (10, 19624), (11, 17840), (16, 12265), (20, 9812), (22, 8920), (40, 4906), (44, 4460), (55, 3568), (80, 2453), (88, 2230), (110, 1784), (176, 1115), (220, 892), (223, 880), (440, 446)]