207923980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{151}}^1\times {\mathrm{569}}^1$

素因数の和:751

約数の個数: 72

約数和(自身を含む): 483971040

約数和(自身を除く): 276047060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 151, 220, 242, 302, 484, 569, 604, 605, 755, 1138, 1210, 1510, 1661, 2276, 2420, 2845, 3020, 3322, 5690, 6259, 6644, 8305, 11380, 12518, 16610, 18271, 25036, 31295, 33220, 36542, 62590, 68849, 73084, 85919, 91355, 125180, 137698, 171838, 182710, 275396, 343676, 344245, 365420, 429595, 688490, 859190, 945109, 1376980, 1718380, 1890218, 3780436, 4725545, 9451090, 10396199, 18902180, 20792398, 41584796, 51980995, 103961990, 207923980]

約数ペア:

[(1, 207923980), (2, 103961990), (4, 51980995), (5, 41584796), (10, 20792398), (11, 18902180), (20, 10396199), (22, 9451090), (44, 4725545), (55, 3780436), (110, 1890218), (121, 1718380), (151, 1376980), (220, 945109), (242, 859190), (302, 688490), (484, 429595), (569, 365420), (604, 344245), (605, 343676), (755, 275396), (1138, 182710), (1210, 171838), (1510, 137698), (1661, 125180), (2276, 91355), (2420, 85919), (2845, 73084), (3020, 68849), (3322, 62590), (5690, 36542), (6259, 33220), (6644, 31295), (8305, 25036), (11380, 18271), (12518, 16610)]