490600

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 1249920

約数和(自身を除く): 759320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 223, 275, 440, 446, 550, 892, 1100, 1115, 1784, 2200, 2230, 2453, 4460, 4906, 5575, 8920, 9812, 11150, 12265, 19624, 22300, 24530, 44600, 49060, 61325, 98120, 122650, 245300, 490600]

約数ペア:

[(1, 490600), (2, 245300), (4, 122650), (5, 98120), (8, 61325), (10, 49060), (11, 44600), (20, 24530), (22, 22300), (25, 19624), (40, 12265), (44, 11150), (50, 9812), (55, 8920), (88, 5575), (100, 4906), (110, 4460), (200, 2453), (220, 2230), (223, 2200), (275, 1784), (440, 1115), (446, 1100), (550, 892)]