7125800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:147

約数の個数: 96

約数和(自身を含む): 18748800

約数和(自身を除く): 11623000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 41, 44, 50, 55, 79, 82, 88, 100, 110, 158, 164, 200, 205, 220, 275, 316, 328, 395, 410, 440, 451, 550, 632, 790, 820, 869, 902, 1025, 1100, 1580, 1640, 1738, 1804, 1975, 2050, 2200, 2255, 3160, 3239, 3476, 3608, 3950, 4100, 4345, 4510, 6478, 6952, 7900, 8200, 8690, 9020, 11275, 12956, 15800, 16195, 17380, 18040, 21725, 22550, 25912, 32390, 34760, 35629, 43450, 45100, 64780, 71258, 80975, 86900, 90200, 129560, 142516, 161950, 173800, 178145, 285032, 323900, 356290, 647800, 712580, 890725, 1425160, 1781450, 3562900, 7125800]

約数ペア:

[(1, 7125800), (2, 3562900), (4, 1781450), (5, 1425160), (8, 890725), (10, 712580), (11, 647800), (20, 356290), (22, 323900), (25, 285032), (40, 178145), (41, 173800), (44, 161950), (50, 142516), (55, 129560), (79, 90200), (82, 86900), (88, 80975), (100, 71258), (110, 64780), (158, 45100), (164, 43450), (200, 35629), (205, 34760), (220, 32390), (275, 25912), (316, 22550), (328, 21725), (395, 18040), (410, 17380), (440, 16195), (451, 15800), (550, 12956), (632, 11275), (790, 9020), (820, 8690), (869, 8200), (902, 7900), (1025, 6952), (1100, 6478), (1580, 4510), (1640, 4345), (1738, 4100), (1804, 3950), (1975, 3608), (2050, 3476), (2200, 3239), (2255, 3160)]