8687000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1$

素因数の和:118

約数の個数: 128

約数和(自身を含む): 24935040

約数和(自身を除く): 16248040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 25, 28, 34, 35, 40, 50, 56, 68, 70, 73, 85, 100, 119, 125, 136, 140, 146, 170, 175, 200, 238, 250, 280, 292, 340, 350, 365, 425, 476, 500, 511, 584, 595, 680, 700, 730, 850, 875, 952, 1000, 1022, 1190, 1241, 1400, 1460, 1700, 1750, 1825, 2044, 2125, 2380, 2482, 2555, 2920, 2975, 3400, 3500, 3650, 4088, 4250, 4760, 4964, 5110, 5950, 6205, 7000, 7300, 8500, 8687, 9125, 9928, 10220, 11900, 12410, 12775, 14600, 14875, 17000, 17374, 18250, 20440, 23800, 24820, 25550, 29750, 31025, 34748, 36500, 43435, 49640, 51100, 59500, 62050, 63875, 69496, 73000, 86870, 102200, 119000, 124100, 127750, 155125, 173740, 217175, 248200, 255500, 310250, 347480, 434350, 511000, 620500, 868700, 1085875, 1241000, 1737400, 2171750, 4343500, 8687000]

約数ペア:

[(1, 8687000), (2, 4343500), (4, 2171750), (5, 1737400), (7, 1241000), (8, 1085875), (10, 868700), (14, 620500), (17, 511000), (20, 434350), (25, 347480), (28, 310250), (34, 255500), (35, 248200), (40, 217175), (50, 173740), (56, 155125), (68, 127750), (70, 124100), (73, 119000), (85, 102200), (100, 86870), (119, 73000), (125, 69496), (136, 63875), (140, 62050), (146, 59500), (170, 51100), (175, 49640), (200, 43435), (238, 36500), (250, 34748), (280, 31025), (292, 29750), (340, 25550), (350, 24820), (365, 23800), (425, 20440), (476, 18250), (500, 17374), (511, 17000), (584, 14875), (595, 14600), (680, 12775), (700, 12410), (730, 11900), (850, 10220), (875, 9928), (952, 9125), (1000, 8687), (1022, 8500), (1190, 7300), (1241, 7000), (1400, 6205), (1460, 5950), (1700, 5110), (1750, 4964), (1825, 4760), (2044, 4250), (2125, 4088), (2380, 3650), (2482, 3500), (2555, 3400), (2920, 2975)]