505133750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2161}}^1$

素因数の和:2211

約数の個数: 80

約数和(自身を含む): 1094162256

約数和(自身を除く): 589028506

約数列:

[1, 2, 5, 10, 11, 17, 22, 25, 34, 50, 55, 85, 110, 125, 170, 187, 250, 275, 374, 425, 550, 625, 850, 935, 1250, 1375, 1870, 2125, 2161, 2750, 4250, 4322, 4675, 6875, 9350, 10625, 10805, 13750, 21250, 21610, 23375, 23771, 36737, 46750, 47542, 54025, 73474, 108050, 116875, 118855, 183685, 233750, 237710, 270125, 367370, 404107, 540250, 594275, 808214, 918425, 1188550, 1350625, 1836850, 2020535, 2701250, 2971375, 4041070, 4592125, 5942750, 9184250, 10102675, 14856875, 20205350, 22960625, 29713750, 45921250, 50513375, 101026750, 252566875, 505133750]

約数ペア:

[(1, 505133750), (2, 252566875), (5, 101026750), (10, 50513375), (11, 45921250), (17, 29713750), (22, 22960625), (25, 20205350), (34, 14856875), (50, 10102675), (55, 9184250), (85, 5942750), (110, 4592125), (125, 4041070), (170, 2971375), (187, 2701250), (250, 2020535), (275, 1836850), (374, 1350625), (425, 1188550), (550, 918425), (625, 808214), (850, 594275), (935, 540250), (1250, 404107), (1375, 367370), (1870, 270125), (2125, 237710), (2161, 233750), (2750, 183685), (4250, 118855), (4322, 116875), (4675, 108050), (6875, 73474), (9350, 54025), (10625, 47542), (10805, 46750), (13750, 36737), (21250, 23771), (21610, 23375)]