91728740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1777}}^1$

素因数の和:1904

約数の個数: 48

約数和(自身を含む): 201625200

約数和(自身を除く): 109896460

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 89, 116, 145, 178, 290, 356, 445, 580, 890, 1777, 1780, 2581, 3554, 5162, 7108, 8885, 10324, 12905, 17770, 25810, 35540, 51533, 51620, 103066, 158153, 206132, 257665, 316306, 515330, 632612, 790765, 1030660, 1581530, 3163060, 4586437, 9172874, 18345748, 22932185, 45864370, 91728740]

約数ペア:

[(1, 91728740), (2, 45864370), (4, 22932185), (5, 18345748), (10, 9172874), (20, 4586437), (29, 3163060), (58, 1581530), (89, 1030660), (116, 790765), (145, 632612), (178, 515330), (290, 316306), (356, 257665), (445, 206132), (580, 158153), (890, 103066), (1777, 51620), (1780, 51533), (2581, 35540), (3554, 25810), (5162, 17770), (7108, 12905), (8885, 10324)]