90649475

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 136896000

約数和(自身を除く): 46246525

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 137, 175, 199, 475, 665, 685, 959, 995, 1393, 2603, 3325, 3425, 3781, 4795, 4975, 6965, 13015, 18221, 18905, 23975, 26467, 27263, 34825, 65075, 91105, 94525, 132335, 136315, 190841, 455525, 517997, 661675, 681575, 954205, 2589985, 3625979, 4771025, 12949925, 18129895, 90649475]

約数ペア:

[(1, 90649475), (5, 18129895), (7, 12949925), (19, 4771025), (25, 3625979), (35, 2589985), (95, 954205), (133, 681575), (137, 661675), (175, 517997), (199, 455525), (475, 190841), (665, 136315), (685, 132335), (959, 94525), (995, 91105), (1393, 65075), (2603, 34825), (3325, 27263), (3425, 26467), (3781, 23975), (4795, 18905), (4975, 18221), (6965, 13015)]