28609000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:156

約数の個数: 128

約数和(自身を含む): 78923520

約数和(自身を除く): 50314520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 61, 67, 70, 100, 122, 125, 134, 140, 175, 200, 244, 250, 268, 280, 305, 335, 350, 427, 469, 488, 500, 536, 610, 670, 700, 854, 875, 938, 1000, 1220, 1340, 1400, 1525, 1675, 1708, 1750, 1876, 2135, 2345, 2440, 2680, 3050, 3350, 3416, 3500, 3752, 4087, 4270, 4690, 6100, 6700, 7000, 7625, 8174, 8375, 8540, 9380, 10675, 11725, 12200, 13400, 15250, 16348, 16750, 17080, 18760, 20435, 21350, 23450, 28609, 30500, 32696, 33500, 40870, 42700, 46900, 53375, 57218, 58625, 61000, 67000, 81740, 85400, 93800, 102175, 106750, 114436, 117250, 143045, 163480, 204350, 213500, 228872, 234500, 286090, 408700, 427000, 469000, 510875, 572180, 715225, 817400, 1021750, 1144360, 1430450, 2043500, 2860900, 3576125, 4087000, 5721800, 7152250, 14304500, 28609000]

約数ペア:

[(1, 28609000), (2, 14304500), (4, 7152250), (5, 5721800), (7, 4087000), (8, 3576125), (10, 2860900), (14, 2043500), (20, 1430450), (25, 1144360), (28, 1021750), (35, 817400), (40, 715225), (50, 572180), (56, 510875), (61, 469000), (67, 427000), (70, 408700), (100, 286090), (122, 234500), (125, 228872), (134, 213500), (140, 204350), (175, 163480), (200, 143045), (244, 117250), (250, 114436), (268, 106750), (280, 102175), (305, 93800), (335, 85400), (350, 81740), (427, 67000), (469, 61000), (488, 58625), (500, 57218), (536, 53375), (610, 46900), (670, 42700), (700, 40870), (854, 33500), (875, 32696), (938, 30500), (1000, 28609), (1220, 23450), (1340, 21350), (1400, 20435), (1525, 18760), (1675, 17080), (1708, 16750), (1750, 16348), (1876, 15250), (2135, 13400), (2345, 12200), (2440, 11725), (2680, 10675), (3050, 9380), (3350, 8540), (3416, 8375), (3500, 8174), (3752, 7625), (4087, 7000), (4270, 6700), (4690, 6100)]