506229620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{15331}}^1$

素因数の和:15480

約数の個数: 48

約数和(自身を含む): 1153947648

約数和(自身を除く): 647718028

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 1270, 1651, 2540, 3302, 6604, 8255, 15331, 16510, 30662, 33020, 61324, 76655, 153310, 199303, 306620, 398606, 797212, 996515, 1947037, 1993030, 3894074, 3986060, 7788148, 9735185, 19470370, 25311481, 38940740, 50622962, 101245924, 126557405, 253114810, 506229620]

約数ペア:

[(1, 506229620), (2, 253114810), (4, 126557405), (5, 101245924), (10, 50622962), (13, 38940740), (20, 25311481), (26, 19470370), (52, 9735185), (65, 7788148), (127, 3986060), (130, 3894074), (254, 1993030), (260, 1947037), (508, 996515), (635, 797212), (1270, 398606), (1651, 306620), (2540, 199303), (3302, 153310), (6604, 76655), (8255, 61324), (15331, 33020), (16510, 30662)]