397375000

素因数分解:

$2^3\times 5^6\times {\mathrm{11}}^1\times {\mathrm{17}}^2$

素因数の和:81

約数の個数: 168

約数和(自身を含む): 1079283060

約数和(自身を除く): 681908060

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 25, 34, 40, 44, 50, 55, 68, 85, 88, 100, 110, 125, 136, 170, 187, 200, 220, 250, 275, 289, 340, 374, 425, 440, 500, 550, 578, 625, 680, 748, 850, 935, 1000, 1100, 1156, 1250, 1375, 1445, 1496, 1700, 1870, 2125, 2200, 2312, 2500, 2750, 2890, 3125, 3179, 3400, 3740, 4250, 4675, 5000, 5500, 5780, 6250, 6358, 6875, 7225, 7480, 8500, 9350, 10625, 11000, 11560, 12500, 12716, 13750, 14450, 15625, 15895, 17000, 18700, 21250, 23375, 25000, 25432, 27500, 28900, 31250, 31790, 34375, 36125, 37400, 42500, 46750, 53125, 55000, 57800, 62500, 63580, 68750, 72250, 79475, 85000, 93500, 106250, 116875, 125000, 127160, 137500, 144500, 158950, 171875, 180625, 187000, 212500, 233750, 265625, 275000, 289000, 317900, 343750, 361250, 397375, 425000, 467500, 531250, 584375, 635800, 687500, 722500, 794750, 903125, 935000, 1062500, 1168750, 1375000, 1445000, 1589500, 1806250, 1986875, 2125000, 2337500, 2921875, 3179000, 3612500, 3973750, 4515625, 4675000, 5843750, 7225000, 7947500, 9031250, 9934375, 11687500, 15895000, 18062500, 19868750, 23375000, 36125000, 39737500, 49671875, 79475000, 99343750, 198687500, 397375000]

約数ペア:

[(1, 397375000), (2, 198687500), (4, 99343750), (5, 79475000), (8, 49671875), (10, 39737500), (11, 36125000), (17, 23375000), (20, 19868750), (22, 18062500), (25, 15895000), (34, 11687500), (40, 9934375), (44, 9031250), (50, 7947500), (55, 7225000), (68, 5843750), (85, 4675000), (88, 4515625), (100, 3973750), (110, 3612500), (125, 3179000), (136, 2921875), (170, 2337500), (187, 2125000), (200, 1986875), (220, 1806250), (250, 1589500), (275, 1445000), (289, 1375000), (340, 1168750), (374, 1062500), (425, 935000), (440, 903125), (500, 794750), (550, 722500), (578, 687500), (625, 635800), (680, 584375), (748, 531250), (850, 467500), (935, 425000), (1000, 397375), (1100, 361250), (1156, 343750), (1250, 317900), (1375, 289000), (1445, 275000), (1496, 265625), (1700, 233750), (1870, 212500), (2125, 187000), (2200, 180625), (2312, 171875), (2500, 158950), (2750, 144500), (2890, 137500), (3125, 127160), (3179, 125000), (3400, 116875), (3740, 106250), (4250, 93500), (4675, 85000), (5000, 79475), (5500, 72250), (5780, 68750), (6250, 63580), (6358, 62500), (6875, 57800), (7225, 55000), (7480, 53125), (8500, 46750), (9350, 42500), (10625, 37400), (11000, 36125), (11560, 34375), (12500, 31790), (12716, 31250), (13750, 28900), (14450, 27500), (15625, 25432), (15895, 25000), (17000, 23375), (18700, 21250)]