156978318475

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{40829}}^1$

素因数の和:40933

約数の個数: 72

約数和(自身を含む): 226251768960

約数和(自身を除く): 69273450485

約数列:

[1, 5, 11, 25, 31, 41, 55, 121, 155, 205, 275, 341, 451, 605, 775, 1025, 1271, 1705, 2255, 3025, 3751, 4961, 6355, 8525, 11275, 13981, 18755, 24805, 31775, 40829, 69905, 93775, 124025, 153791, 204145, 349525, 449119, 768955, 1020725, 1265699, 1673989, 2245595, 3844775, 4940309, 6328495, 8369945, 11227975, 13922689, 18413879, 24701545, 31642475, 41849725, 51893659, 69613445, 92069395, 123507725, 153149579, 202552669, 259468295, 348067225, 460346975, 570830249, 765747895, 1012763345, 1297341475, 2854151245, 3828739475, 5063816725, 6279132739, 14270756225, 31395663695, 156978318475]

約数ペア:

[(1, 156978318475), (5, 31395663695), (11, 14270756225), (25, 6279132739), (31, 5063816725), (41, 3828739475), (55, 2854151245), (121, 1297341475), (155, 1012763345), (205, 765747895), (275, 570830249), (341, 460346975), (451, 348067225), (605, 259468295), (775, 202552669), (1025, 153149579), (1271, 123507725), (1705, 92069395), (2255, 69613445), (3025, 51893659), (3751, 41849725), (4961, 31642475), (6355, 24701545), (8525, 18413879), (11275, 13922689), (13981, 11227975), (18755, 8369945), (24805, 6328495), (31775, 4940309), (40829, 3844775), (69905, 2245595), (93775, 1673989), (124025, 1265699), (153791, 1020725), (204145, 768955), (349525, 449119)]