205325100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{228139}}^1$

素因数の和:228159

約数の個数: 54

約数和(自身を含む): 643582940

約数和(自身を除く): 438257840

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 228139, 456278, 684417, 912556, 1140695, 1368834, 2053251, 2281390, 2737668, 3422085, 4106502, 4562780, 5703475, 6844170, 8213004, 10266255, 11406950, 13688340, 17110425, 20532510, 22813900, 34220850, 41065020, 51331275, 68441700, 102662550, 205325100]

約数ペア:

[(1, 205325100), (2, 102662550), (3, 68441700), (4, 51331275), (5, 41065020), (6, 34220850), (9, 22813900), (10, 20532510), (12, 17110425), (15, 13688340), (18, 11406950), (20, 10266255), (25, 8213004), (30, 6844170), (36, 5703475), (45, 4562780), (50, 4106502), (60, 3422085), (75, 2737668), (90, 2281390), (100, 2053251), (150, 1368834), (180, 1140695), (225, 912556), (300, 684417), (450, 456278), (900, 228139)]