981200

素因数分解:

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

素因数の和:252

約数の個数: 60

約数和(自身を含む): 2583168

約数和(自身を除く): 1601968

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 223, 275, 400, 440, 446, 550, 880, 892, 1100, 1115, 1784, 2200, 2230, 2453, 3568, 4400, 4460, 4906, 5575, 8920, 9812, 11150, 12265, 17840, 19624, 22300, 24530, 39248, 44600, 49060, 61325, 89200, 98120, 122650, 196240, 245300, 490600, 981200]

約数ペア:

[(1, 981200), (2, 490600), (4, 245300), (5, 196240), (8, 122650), (10, 98120), (11, 89200), (16, 61325), (20, 49060), (22, 44600), (25, 39248), (40, 24530), (44, 22300), (50, 19624), (55, 17840), (80, 12265), (88, 11150), (100, 9812), (110, 8920), (176, 5575), (200, 4906), (220, 4460), (223, 4400), (275, 3568), (400, 2453), (440, 2230), (446, 2200), (550, 1784), (880, 1115), (892, 1100)]