1870000

素因数分解:

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

素因数の和:56

約数の個数: 100

約数和(自身を含む): 5229576

約数和(自身を除く): 3359576

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 25, 34, 40, 44, 50, 55, 68, 80, 85, 88, 100, 110, 125, 136, 170, 176, 187, 200, 220, 250, 272, 275, 340, 374, 400, 425, 440, 500, 550, 625, 680, 748, 850, 880, 935, 1000, 1100, 1250, 1360, 1375, 1496, 1700, 1870, 2000, 2125, 2200, 2500, 2750, 2992, 3400, 3740, 4250, 4400, 4675, 5000, 5500, 6800, 6875, 7480, 8500, 9350, 10000, 10625, 11000, 13750, 14960, 17000, 18700, 21250, 22000, 23375, 27500, 34000, 37400, 42500, 46750, 55000, 74800, 85000, 93500, 110000, 116875, 170000, 187000, 233750, 374000, 467500, 935000, 1870000]

約数ペア:

[(1, 1870000), (2, 935000), (4, 467500), (5, 374000), (8, 233750), (10, 187000), (11, 170000), (16, 116875), (17, 110000), (20, 93500), (22, 85000), (25, 74800), (34, 55000), (40, 46750), (44, 42500), (50, 37400), (55, 34000), (68, 27500), (80, 23375), (85, 22000), (88, 21250), (100, 18700), (110, 17000), (125, 14960), (136, 13750), (170, 11000), (176, 10625), (187, 10000), (200, 9350), (220, 8500), (250, 7480), (272, 6875), (275, 6800), (340, 5500), (374, 5000), (400, 4675), (425, 4400), (440, 4250), (500, 3740), (550, 3400), (625, 2992), (680, 2750), (748, 2500), (850, 2200), (880, 2125), (935, 2000), (1000, 1870), (1100, 1700), (1250, 1496), (1360, 1375)]