87685675

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 141303456

約数和(自身を除く): 53617781

約数列:

[1, 5, 7, 11, 25, 35, 41, 55, 77, 101, 121, 175, 205, 275, 287, 385, 451, 505, 605, 707, 847, 1025, 1111, 1435, 1925, 2255, 2525, 3025, 3157, 3535, 4141, 4235, 4961, 5555, 7175, 7777, 11275, 12221, 15785, 17675, 20705, 21175, 24805, 27775, 28987, 34727, 38885, 45551, 61105, 78925, 85547, 103525, 124025, 144935, 173635, 194425, 227755, 305525, 318857, 427735, 501061, 724675, 868175, 1138775, 1594285, 2138675, 2505305, 3507427, 7971425, 12526525, 17537135, 87685675]

約数ペア:

[(1, 87685675), (5, 17537135), (7, 12526525), (11, 7971425), (25, 3507427), (35, 2505305), (41, 2138675), (55, 1594285), (77, 1138775), (101, 868175), (121, 724675), (175, 501061), (205, 427735), (275, 318857), (287, 305525), (385, 227755), (451, 194425), (505, 173635), (605, 144935), (707, 124025), (847, 103525), (1025, 85547), (1111, 78925), (1435, 61105), (1925, 45551), (2255, 38885), (2525, 34727), (3025, 28987), (3157, 27775), (3535, 24805), (4141, 21175), (4235, 20705), (4961, 17675), (5555, 15785), (7175, 12221), (7777, 11275)]