7947500

素因数分解:

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

素因数の和:69

約数の個数: 90

約数和(自身を含む): 20140428

約数和(自身を除く): 12192928

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 44, 50, 55, 68, 85, 100, 110, 125, 170, 187, 220, 250, 275, 289, 340, 374, 425, 500, 550, 578, 625, 748, 850, 935, 1100, 1156, 1250, 1375, 1445, 1700, 1870, 2125, 2500, 2750, 2890, 3179, 3740, 4250, 4675, 5500, 5780, 6358, 6875, 7225, 8500, 9350, 10625, 12716, 13750, 14450, 15895, 18700, 21250, 23375, 27500, 28900, 31790, 36125, 42500, 46750, 63580, 72250, 79475, 93500, 116875, 144500, 158950, 180625, 233750, 317900, 361250, 397375, 467500, 722500, 794750, 1589500, 1986875, 3973750, 7947500]

約数ペア:

[(1, 7947500), (2, 3973750), (4, 1986875), (5, 1589500), (10, 794750), (11, 722500), (17, 467500), (20, 397375), (22, 361250), (25, 317900), (34, 233750), (44, 180625), (50, 158950), (55, 144500), (68, 116875), (85, 93500), (100, 79475), (110, 72250), (125, 63580), (170, 46750), (187, 42500), (220, 36125), (250, 31790), (275, 28900), (289, 27500), (340, 23375), (374, 21250), (425, 18700), (500, 15895), (550, 14450), (578, 13750), (625, 12716), (748, 10625), (850, 9350), (935, 8500), (1100, 7225), (1156, 6875), (1250, 6358), (1375, 5780), (1445, 5500), (1700, 4675), (1870, 4250), (2125, 3740), (2500, 3179), (2750, 2890)]