254198775

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1601}}^1$

素因数の和:1716

約数の個数: 48

約数和(自身を含む): 440998560

約数和(自身を除く): 186799785

約数列:

[1, 3, 5, 15, 25, 29, 73, 75, 87, 145, 219, 365, 435, 725, 1095, 1601, 1825, 2117, 2175, 4803, 5475, 6351, 8005, 10585, 24015, 31755, 40025, 46429, 52925, 116873, 120075, 139287, 158775, 232145, 350619, 584365, 696435, 1160725, 1753095, 2921825, 3389317, 3482175, 8765475, 10167951, 16946585, 50839755, 84732925, 254198775]

約数ペア:

[(1, 254198775), (3, 84732925), (5, 50839755), (15, 16946585), (25, 10167951), (29, 8765475), (73, 3482175), (75, 3389317), (87, 2921825), (145, 1753095), (219, 1160725), (365, 696435), (435, 584365), (725, 350619), (1095, 232145), (1601, 158775), (1825, 139287), (2117, 120075), (2175, 116873), (4803, 52925), (5475, 46429), (6351, 40025), (8005, 31755), (10585, 24015)]