1427200

素因数分解:

$2^8\times 5^2\times {\mathrm{223}}^1$

素因数の和:249

約数の個数: 54

約数和(自身を含む): 3548384

約数和(自身を除く): 2121184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 223, 256, 320, 400, 446, 640, 800, 892, 1115, 1280, 1600, 1784, 2230, 3200, 3568, 4460, 5575, 6400, 7136, 8920, 11150, 14272, 17840, 22300, 28544, 35680, 44600, 57088, 71360, 89200, 142720, 178400, 285440, 356800, 713600, 1427200]

約数ペア:

[(1, 1427200), (2, 713600), (4, 356800), (5, 285440), (8, 178400), (10, 142720), (16, 89200), (20, 71360), (25, 57088), (32, 44600), (40, 35680), (50, 28544), (64, 22300), (80, 17840), (100, 14272), (128, 11150), (160, 8920), (200, 7136), (223, 6400), (256, 5575), (320, 4460), (400, 3568), (446, 3200), (640, 2230), (800, 1784), (892, 1600), (1115, 1280)]