1104400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{251}}^1$

素因数の和:280

約数の個数: 60

約数和(自身を含む): 2906064

約数和(自身を除く): 1801664

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, 251, 275, 400, 440, 502, 550, 880, 1004, 1100, 1255, 2008, 2200, 2510, 2761, 4016, 4400, 5020, 5522, 6275, 10040, 11044, 12550, 13805, 20080, 22088, 25100, 27610, 44176, 50200, 55220, 69025, 100400, 110440, 138050, 220880, 276100, 552200, 1104400]

約数ペア:

[(1, 1104400), (2, 552200), (4, 276100), (5, 220880), (8, 138050), (10, 110440), (11, 100400), (16, 69025), (20, 55220), (22, 50200), (25, 44176), (40, 27610), (44, 25100), (50, 22088), (55, 20080), (80, 13805), (88, 12550), (100, 11044), (110, 10040), (176, 6275), (200, 5522), (220, 5020), (251, 4400), (275, 4016), (400, 2761), (440, 2510), (502, 2200), (550, 2008), (880, 1255), (1004, 1100)]