90686075

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 125527680

約数和(自身を除く): 34841605

約数列:

[1, 5, 17, 25, 37, 73, 79, 85, 185, 365, 395, 425, 629, 925, 1241, 1343, 1825, 1975, 2701, 2923, 3145, 5767, 6205, 6715, 13505, 14615, 15725, 28835, 31025, 33575, 45917, 49691, 67525, 73075, 98039, 144175, 213379, 229585, 248455, 490195, 1066895, 1147925, 1242275, 2450975, 3627443, 5334475, 18137215, 90686075]

約数ペア:

[(1, 90686075), (5, 18137215), (17, 5334475), (25, 3627443), (37, 2450975), (73, 1242275), (79, 1147925), (85, 1066895), (185, 490195), (365, 248455), (395, 229585), (425, 213379), (629, 144175), (925, 98039), (1241, 73075), (1343, 67525), (1825, 49691), (1975, 45917), (2701, 33575), (2923, 31025), (3145, 28835), (5767, 15725), (6205, 14615), (6715, 13505)]