265997860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{5153}}^1$

素因数の和:5280

約数の個数: 48

約数和(自身を含む): 584463600

約数和(自身を除く): 318465740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 89, 116, 145, 178, 290, 356, 445, 580, 890, 1780, 2581, 5153, 5162, 10306, 10324, 12905, 20612, 25765, 25810, 51530, 51620, 103060, 149437, 298874, 458617, 597748, 747185, 917234, 1494370, 1834468, 2293085, 2988740, 4586170, 9172340, 13299893, 26599786, 53199572, 66499465, 132998930, 265997860]

約数ペア:

[(1, 265997860), (2, 132998930), (4, 66499465), (5, 53199572), (10, 26599786), (20, 13299893), (29, 9172340), (58, 4586170), (89, 2988740), (116, 2293085), (145, 1834468), (178, 1494370), (290, 917234), (356, 747185), (445, 597748), (580, 458617), (890, 298874), (1780, 149437), (2581, 103060), (5153, 51620), (5162, 51530), (10306, 25810), (10324, 25765), (12905, 20612)]