78727000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1$

素因数の和:470

約数の個数: 128

約数和(自身を含む): 213295680

約数和(自身を除く): 134568680

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, 340, 374, 421, 425, 440, 500, 550, 680, 748, 842, 850, 935, 1000, 1100, 1375, 1496, 1684, 1700, 1870, 2105, 2125, 2200, 2750, 3368, 3400, 3740, 4210, 4250, 4631, 4675, 5500, 7157, 7480, 8420, 8500, 9262, 9350, 10525, 11000, 14314, 16840, 17000, 18524, 18700, 21050, 23155, 23375, 28628, 35785, 37048, 37400, 42100, 46310, 46750, 52625, 57256, 71570, 78727, 84200, 92620, 93500, 105250, 115775, 143140, 157454, 178925, 185240, 187000, 210500, 231550, 286280, 314908, 357850, 393635, 421000, 463100, 578875, 629816, 715700, 787270, 894625, 926200, 1157750, 1431400, 1574540, 1789250, 1968175, 2315500, 3149080, 3578500, 3936350, 4631000, 7157000, 7872700, 9840875, 15745400, 19681750, 39363500, 78727000]

約数ペア:

[(1, 78727000), (2, 39363500), (4, 19681750), (5, 15745400), (8, 9840875), (10, 7872700), (11, 7157000), (17, 4631000), (20, 3936350), (22, 3578500), (25, 3149080), (34, 2315500), (40, 1968175), (44, 1789250), (50, 1574540), (55, 1431400), (68, 1157750), (85, 926200), (88, 894625), (100, 787270), (110, 715700), (125, 629816), (136, 578875), (170, 463100), (187, 421000), (200, 393635), (220, 357850), (250, 314908), (275, 286280), (340, 231550), (374, 210500), (421, 187000), (425, 185240), (440, 178925), (500, 157454), (550, 143140), (680, 115775), (748, 105250), (842, 93500), (850, 92620), (935, 84200), (1000, 78727), (1100, 71570), (1375, 57256), (1496, 52625), (1684, 46750), (1700, 46310), (1870, 42100), (2105, 37400), (2125, 37048), (2200, 35785), (2750, 28628), (3368, 23375), (3400, 23155), (3740, 21050), (4210, 18700), (4250, 18524), (4631, 17000), (4675, 16840), (5500, 14314), (7157, 11000), (7480, 10525), (8420, 9350), (8500, 9262)]