245767480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{1759}}^1$

素因数の和:2276

約数の個数: 64

約数和(自身を含む): 633600000

約数和(自身を除く): 387832520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 499, 998, 1759, 1996, 2495, 3493, 3518, 3992, 4990, 6986, 7036, 8795, 9980, 12313, 13972, 14072, 17465, 17590, 19960, 24626, 27944, 34930, 35180, 49252, 61565, 69860, 70360, 98504, 123130, 139720, 246260, 492520, 877741, 1755482, 3510964, 4388705, 6144187, 7021928, 8777410, 12288374, 17554820, 24576748, 30720935, 35109640, 49153496, 61441870, 122883740, 245767480]

約数ペア:

[(1, 245767480), (2, 122883740), (4, 61441870), (5, 49153496), (7, 35109640), (8, 30720935), (10, 24576748), (14, 17554820), (20, 12288374), (28, 8777410), (35, 7021928), (40, 6144187), (56, 4388705), (70, 3510964), (140, 1755482), (280, 877741), (499, 492520), (998, 246260), (1759, 139720), (1996, 123130), (2495, 98504), (3493, 70360), (3518, 69860), (3992, 61565), (4990, 49252), (6986, 35180), (7036, 34930), (8795, 27944), (9980, 24626), (12313, 19960), (13972, 17590), (14072, 17465)]