788007640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{59879}}^1$

素因数の和:59944

約数の個数: 64

約数和(自身を含む): 2069452800

約数和(自身を除く): 1281445160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 658, 940, 1316, 1645, 1880, 2632, 3290, 6580, 13160, 59879, 119758, 239516, 299395, 419153, 479032, 598790, 838306, 1197580, 1676612, 2095765, 2395160, 2814313, 3353224, 4191530, 5628626, 8383060, 11257252, 14071565, 16766120, 19700191, 22514504, 28143130, 39400382, 56286260, 78800764, 98500955, 112572520, 157601528, 197001910, 394003820, 788007640]

約数ペア:

[(1, 788007640), (2, 394003820), (4, 197001910), (5, 157601528), (7, 112572520), (8, 98500955), (10, 78800764), (14, 56286260), (20, 39400382), (28, 28143130), (35, 22514504), (40, 19700191), (47, 16766120), (56, 14071565), (70, 11257252), (94, 8383060), (140, 5628626), (188, 4191530), (235, 3353224), (280, 2814313), (329, 2395160), (376, 2095765), (470, 1676612), (658, 1197580), (940, 838306), (1316, 598790), (1645, 479032), (1880, 419153), (2632, 299395), (3290, 239516), (6580, 119758), (13160, 59879)]