1520209075

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1117}}^1$

素因数の和:1253

約数の個数: 72

約数和(自身を含む): 2418019344

約数和(自身を除く): 897810269

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 77, 101, 175, 245, 275, 385, 505, 539, 707, 1111, 1117, 1225, 1925, 2525, 2695, 3535, 4949, 5555, 5585, 7777, 7819, 12287, 13475, 17675, 24745, 27775, 27925, 38885, 39095, 54439, 54733, 61435, 86009, 112817, 123725, 194425, 195475, 272195, 273665, 307175, 430045, 564085, 602063, 789719, 1240987, 1360975, 1368325, 2150225, 2820425, 3010315, 3948595, 5528033, 6204935, 8686909, 15051575, 19742975, 27640165, 31024675, 43434545, 60808363, 138200825, 217172725, 304041815, 1520209075]

約数ペア:

[(1, 1520209075), (5, 304041815), (7, 217172725), (11, 138200825), (25, 60808363), (35, 43434545), (49, 31024675), (55, 27640165), (77, 19742975), (101, 15051575), (175, 8686909), (245, 6204935), (275, 5528033), (385, 3948595), (505, 3010315), (539, 2820425), (707, 2150225), (1111, 1368325), (1117, 1360975), (1225, 1240987), (1925, 789719), (2525, 602063), (2695, 564085), (3535, 430045), (4949, 307175), (5555, 273665), (5585, 272195), (7777, 195475), (7819, 194425), (12287, 123725), (13475, 112817), (17675, 86009), (24745, 61435), (27775, 54733), (27925, 54439), (38885, 39095)]