90790000

素因数分解:

$2^4\times 5^4\times 7^1\times {\mathrm{1297}}^1$

素因数の和:1332

約数の個数: 100

約数和(自身を含む): 251407024

約数和(自身を除く): 160617024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 500, 560, 625, 700, 875, 1000, 1250, 1297, 1400, 1750, 2000, 2500, 2594, 2800, 3500, 4375, 5000, 5188, 6485, 7000, 8750, 9079, 10000, 10376, 12970, 14000, 17500, 18158, 20752, 25940, 32425, 35000, 36316, 45395, 51880, 64850, 70000, 72632, 90790, 103760, 129700, 145264, 162125, 181580, 226975, 259400, 324250, 363160, 453950, 518800, 648500, 726320, 810625, 907900, 1134875, 1297000, 1621250, 1815800, 2269750, 2594000, 3242500, 3631600, 4539500, 5674375, 6485000, 9079000, 11348750, 12970000, 18158000, 22697500, 45395000, 90790000]

約数ペア:

[(1, 90790000), (2, 45395000), (4, 22697500), (5, 18158000), (7, 12970000), (8, 11348750), (10, 9079000), (14, 6485000), (16, 5674375), (20, 4539500), (25, 3631600), (28, 3242500), (35, 2594000), (40, 2269750), (50, 1815800), (56, 1621250), (70, 1297000), (80, 1134875), (100, 907900), (112, 810625), (125, 726320), (140, 648500), (175, 518800), (200, 453950), (250, 363160), (280, 324250), (350, 259400), (400, 226975), (500, 181580), (560, 162125), (625, 145264), (700, 129700), (875, 103760), (1000, 90790), (1250, 72632), (1297, 70000), (1400, 64850), (1750, 51880), (2000, 45395), (2500, 36316), (2594, 35000), (2800, 32425), (3500, 25940), (4375, 20752), (5000, 18158), (5188, 17500), (6485, 14000), (7000, 12970), (8750, 10376), (9079, 10000)]