87890000

素因数分解:

$2^4\times 5^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:103

約数の個数: 200

約数和(自身を含む): 251019648

約数和(自身を除く): 163129648

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 25, 34, 40, 44, 47, 50, 55, 68, 80, 85, 88, 94, 100, 110, 125, 136, 170, 176, 187, 188, 200, 220, 235, 250, 272, 275, 340, 374, 376, 400, 425, 440, 470, 500, 517, 550, 625, 680, 748, 752, 799, 850, 880, 935, 940, 1000, 1034, 1100, 1175, 1250, 1360, 1375, 1496, 1598, 1700, 1870, 1880, 2000, 2068, 2125, 2200, 2350, 2500, 2585, 2750, 2992, 3196, 3400, 3740, 3760, 3995, 4136, 4250, 4400, 4675, 4700, 5000, 5170, 5500, 5875, 6392, 6800, 6875, 7480, 7990, 8272, 8500, 8789, 9350, 9400, 10000, 10340, 10625, 11000, 11750, 12784, 12925, 13750, 14960, 15980, 17000, 17578, 18700, 18800, 19975, 20680, 21250, 22000, 23375, 23500, 25850, 27500, 29375, 31960, 34000, 35156, 37400, 39950, 41360, 42500, 43945, 46750, 47000, 51700, 55000, 58750, 63920, 64625, 70312, 74800, 79900, 85000, 87890, 93500, 94000, 99875, 103400, 110000, 116875, 117500, 129250, 140624, 159800, 170000, 175780, 187000, 199750, 206800, 219725, 233750, 235000, 258500, 319600, 323125, 351560, 374000, 399500, 439450, 467500, 470000, 499375, 517000, 646250, 703120, 799000, 878900, 935000, 998750, 1034000, 1098625, 1292500, 1598000, 1757800, 1870000, 1997500, 2197250, 2585000, 3515600, 3995000, 4394500, 5170000, 5493125, 7990000, 8789000, 10986250, 17578000, 21972500, 43945000, 87890000]

約数ペア:

[(1, 87890000), (2, 43945000), (4, 21972500), (5, 17578000), (8, 10986250), (10, 8789000), (11, 7990000), (16, 5493125), (17, 5170000), (20, 4394500), (22, 3995000), (25, 3515600), (34, 2585000), (40, 2197250), (44, 1997500), (47, 1870000), (50, 1757800), (55, 1598000), (68, 1292500), (80, 1098625), (85, 1034000), (88, 998750), (94, 935000), (100, 878900), (110, 799000), (125, 703120), (136, 646250), (170, 517000), (176, 499375), (187, 470000), (188, 467500), (200, 439450), (220, 399500), (235, 374000), (250, 351560), (272, 323125), (275, 319600), (340, 258500), (374, 235000), (376, 233750), (400, 219725), (425, 206800), (440, 199750), (470, 187000), (500, 175780), (517, 170000), (550, 159800), (625, 140624), (680, 129250), (748, 117500), (752, 116875), (799, 110000), (850, 103400), (880, 99875), (935, 94000), (940, 93500), (1000, 87890), (1034, 85000), (1100, 79900), (1175, 74800), (1250, 70312), (1360, 64625), (1375, 63920), (1496, 58750), (1598, 55000), (1700, 51700), (1870, 47000), (1880, 46750), (2000, 43945), (2068, 42500), (2125, 41360), (2200, 39950), (2350, 37400), (2500, 35156), (2585, 34000), (2750, 31960), (2992, 29375), (3196, 27500), (3400, 25850), (3740, 23500), (3760, 23375), (3995, 22000), (4136, 21250), (4250, 20680), (4400, 19975), (4675, 18800), (4700, 18700), (5000, 17578), (5170, 17000), (5500, 15980), (5875, 14960), (6392, 13750), (6800, 12925), (6875, 12784), (7480, 11750), (7990, 11000), (8272, 10625), (8500, 10340), (8789, 10000), (9350, 9400)]