87988175

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:137

約数の個数: 72

約数和(自身を含む): 133585200

約数和(自身を除く): 45597025

約数列:

[1, 5, 11, 17, 25, 29, 55, 59, 85, 121, 145, 187, 275, 295, 319, 425, 493, 605, 649, 725, 935, 1003, 1475, 1595, 1711, 2057, 2465, 3025, 3245, 3509, 4675, 5015, 5423, 7139, 7975, 8555, 10285, 11033, 12325, 16225, 17545, 18821, 25075, 27115, 29087, 35695, 42775, 51425, 55165, 59653, 87725, 94105, 121363, 135575, 145435, 178475, 207031, 275825, 298265, 319957, 470525, 606815, 727175, 1035155, 1491325, 1599785, 3034075, 3519527, 5175775, 7998925, 17597635, 87988175]

約数ペア:

[(1, 87988175), (5, 17597635), (11, 7998925), (17, 5175775), (25, 3519527), (29, 3034075), (55, 1599785), (59, 1491325), (85, 1035155), (121, 727175), (145, 606815), (187, 470525), (275, 319957), (295, 298265), (319, 275825), (425, 207031), (493, 178475), (605, 145435), (649, 135575), (725, 121363), (935, 94105), (1003, 87725), (1475, 59653), (1595, 55165), (1711, 51425), (2057, 42775), (2465, 35695), (3025, 29087), (3245, 27115), (3509, 25075), (4675, 18821), (5015, 17545), (5423, 16225), (7139, 12325), (7975, 11033), (8555, 10285)]