56780900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1259}}^1$

素因数の和:1325

約数の個数: 72

約数和(自身を含む): 137803680

約数和(自身を除く): 81022780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 50, 55, 82, 100, 110, 164, 205, 220, 275, 410, 451, 550, 820, 902, 1025, 1100, 1259, 1804, 2050, 2255, 2518, 4100, 4510, 5036, 6295, 9020, 11275, 12590, 13849, 22550, 25180, 27698, 31475, 45100, 51619, 55396, 62950, 69245, 103238, 125900, 138490, 206476, 258095, 276980, 346225, 516190, 567809, 692450, 1032380, 1135618, 1290475, 1384900, 2271236, 2580950, 2839045, 5161900, 5678090, 11356180, 14195225, 28390450, 56780900]

約数ペア:

[(1, 56780900), (2, 28390450), (4, 14195225), (5, 11356180), (10, 5678090), (11, 5161900), (20, 2839045), (22, 2580950), (25, 2271236), (41, 1384900), (44, 1290475), (50, 1135618), (55, 1032380), (82, 692450), (100, 567809), (110, 516190), (164, 346225), (205, 276980), (220, 258095), (275, 206476), (410, 138490), (451, 125900), (550, 103238), (820, 69245), (902, 62950), (1025, 55396), (1100, 51619), (1259, 45100), (1804, 31475), (2050, 27698), (2255, 25180), (2518, 22550), (4100, 13849), (4510, 12590), (5036, 11275), (6295, 9020)]