90200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1$

素因数の和:68

約数の個数: 48

約数和(自身を含む): 234360

約数和(自身を除く): 144160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 41, 44, 50, 55, 82, 88, 100, 110, 164, 200, 205, 220, 275, 328, 410, 440, 451, 550, 820, 902, 1025, 1100, 1640, 1804, 2050, 2200, 2255, 3608, 4100, 4510, 8200, 9020, 11275, 18040, 22550, 45100, 90200]

約数ペア:

[(1, 90200), (2, 45100), (4, 22550), (5, 18040), (8, 11275), (10, 9020), (11, 8200), (20, 4510), (22, 4100), (25, 3608), (40, 2255), (41, 2200), (44, 2050), (50, 1804), (55, 1640), (82, 1100), (88, 1025), (100, 902), (110, 820), (164, 550), (200, 451), (205, 440), (220, 410), (275, 328)]