392480

素因数分解:

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

素因数の和:249

約数の個数: 48

約数和(自身を含む): 1016064

約数和(自身を除く): 623584

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 223, 352, 440, 446, 880, 892, 1115, 1760, 1784, 2230, 2453, 3568, 4460, 4906, 7136, 8920, 9812, 12265, 17840, 19624, 24530, 35680, 39248, 49060, 78496, 98120, 196240, 392480]

約数ペア:

[(1, 392480), (2, 196240), (4, 98120), (5, 78496), (8, 49060), (10, 39248), (11, 35680), (16, 24530), (20, 19624), (22, 17840), (32, 12265), (40, 9812), (44, 8920), (55, 7136), (80, 4906), (88, 4460), (110, 3568), (160, 2453), (176, 2230), (220, 1784), (223, 1760), (352, 1115), (440, 892), (446, 880)]