66455900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{683}}^1$

素因数の和:843

約数の個数: 72

約数和(自身を含む): 166239360

約数和(自身を除く): 99783460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 139, 140, 175, 278, 350, 556, 683, 695, 700, 973, 1366, 1390, 1946, 2732, 2780, 3415, 3475, 3892, 4781, 4865, 6830, 6950, 9562, 9730, 13660, 13900, 17075, 19124, 19460, 23905, 24325, 34150, 47810, 48650, 68300, 94937, 95620, 97300, 119525, 189874, 239050, 379748, 474685, 478100, 664559, 949370, 1329118, 1898740, 2373425, 2658236, 3322795, 4746850, 6645590, 9493700, 13291180, 16613975, 33227950, 66455900]

約数ペア:

[(1, 66455900), (2, 33227950), (4, 16613975), (5, 13291180), (7, 9493700), (10, 6645590), (14, 4746850), (20, 3322795), (25, 2658236), (28, 2373425), (35, 1898740), (50, 1329118), (70, 949370), (100, 664559), (139, 478100), (140, 474685), (175, 379748), (278, 239050), (350, 189874), (556, 119525), (683, 97300), (695, 95620), (700, 94937), (973, 68300), (1366, 48650), (1390, 47810), (1946, 34150), (2732, 24325), (2780, 23905), (3415, 19460), (3475, 19124), (3892, 17075), (4781, 13900), (4865, 13660), (6830, 9730), (6950, 9562)]