201816650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2927}}^1$

素因数の和:3143

約数の個数: 48

約数和(自身を含む): 431329536

約数和(自身を除く): 229512886

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 197, 350, 394, 985, 1379, 1970, 2758, 2927, 4925, 5854, 6895, 9850, 13790, 14635, 20489, 29270, 34475, 40978, 68950, 73175, 102445, 146350, 204890, 512225, 576619, 1024450, 1153238, 2883095, 4036333, 5766190, 8072666, 14415475, 20181665, 28830950, 40363330, 100908325, 201816650]

約数ペア:

[(1, 201816650), (2, 100908325), (5, 40363330), (7, 28830950), (10, 20181665), (14, 14415475), (25, 8072666), (35, 5766190), (50, 4036333), (70, 2883095), (175, 1153238), (197, 1024450), (350, 576619), (394, 512225), (985, 204890), (1379, 146350), (1970, 102445), (2758, 73175), (2927, 68950), (4925, 40978), (5854, 34475), (6895, 29270), (9850, 20489), (13790, 14635)]