87422500

素因数分解:

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

素因数の和:80

約数の個数: 135

約数和(自身を含む): 223223077

約数和(自身を除く): 135800577

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 44, 50, 55, 68, 85, 100, 110, 121, 125, 170, 187, 220, 242, 250, 275, 289, 340, 374, 425, 484, 500, 550, 578, 605, 625, 748, 850, 935, 1100, 1156, 1210, 1250, 1375, 1445, 1700, 1870, 2057, 2125, 2420, 2500, 2750, 2890, 3025, 3179, 3740, 4114, 4250, 4675, 5500, 5780, 6050, 6358, 6875, 7225, 8228, 8500, 9350, 10285, 10625, 12100, 12716, 13750, 14450, 15125, 15895, 18700, 20570, 21250, 23375, 27500, 28900, 30250, 31790, 34969, 36125, 41140, 42500, 46750, 51425, 60500, 63580, 69938, 72250, 75625, 79475, 93500, 102850, 116875, 139876, 144500, 151250, 158950, 174845, 180625, 205700, 233750, 257125, 302500, 317900, 349690, 361250, 397375, 467500, 514250, 699380, 722500, 794750, 874225, 1028500, 1285625, 1589500, 1748450, 1986875, 2571250, 3496900, 3973750, 4371125, 5142500, 7947500, 8742250, 17484500, 21855625, 43711250, 87422500]

約数ペア:

[(1, 87422500), (2, 43711250), (4, 21855625), (5, 17484500), (10, 8742250), (11, 7947500), (17, 5142500), (20, 4371125), (22, 3973750), (25, 3496900), (34, 2571250), (44, 1986875), (50, 1748450), (55, 1589500), (68, 1285625), (85, 1028500), (100, 874225), (110, 794750), (121, 722500), (125, 699380), (170, 514250), (187, 467500), (220, 397375), (242, 361250), (250, 349690), (275, 317900), (289, 302500), (340, 257125), (374, 233750), (425, 205700), (484, 180625), (500, 174845), (550, 158950), (578, 151250), (605, 144500), (625, 139876), (748, 116875), (850, 102850), (935, 93500), (1100, 79475), (1156, 75625), (1210, 72250), (1250, 69938), (1375, 63580), (1445, 60500), (1700, 51425), (1870, 46750), (2057, 42500), (2125, 41140), (2420, 36125), (2500, 34969), (2750, 31790), (2890, 30250), (3025, 28900), (3179, 27500), (3740, 23375), (4114, 21250), (4250, 20570), (4675, 18700), (5500, 15895), (5780, 15125), (6050, 14450), (6358, 13750), (6875, 12716), (7225, 12100), (8228, 10625), (8500, 10285)]