30209900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{419}}^1$

素因数の和:543

約数の個数: 72

約数和(自身を含む): 75828480

約数和(自身を除く): 45618580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 103, 140, 175, 206, 350, 412, 419, 515, 700, 721, 838, 1030, 1442, 1676, 2060, 2095, 2575, 2884, 2933, 3605, 4190, 5150, 5866, 7210, 8380, 10300, 10475, 11732, 14420, 14665, 18025, 20950, 29330, 36050, 41900, 43157, 58660, 72100, 73325, 86314, 146650, 172628, 215785, 293300, 302099, 431570, 604198, 863140, 1078925, 1208396, 1510495, 2157850, 3020990, 4315700, 6041980, 7552475, 15104950, 30209900]

約数ペア:

[(1, 30209900), (2, 15104950), (4, 7552475), (5, 6041980), (7, 4315700), (10, 3020990), (14, 2157850), (20, 1510495), (25, 1208396), (28, 1078925), (35, 863140), (50, 604198), (70, 431570), (100, 302099), (103, 293300), (140, 215785), (175, 172628), (206, 146650), (350, 86314), (412, 73325), (419, 72100), (515, 58660), (700, 43157), (721, 41900), (838, 36050), (1030, 29330), (1442, 20950), (1676, 18025), (2060, 14665), (2095, 14420), (2575, 11732), (2884, 10475), (2933, 10300), (3605, 8380), (4190, 7210), (5150, 5866)]