209215300

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{42697}}^1$

素因数の和:42725

約数の個数: 54

約数和(自身を含む): 528131562

約数和(自身を除く): 318916262

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 42697, 85394, 170788, 213485, 298879, 426970, 597758, 853940, 1067425, 1195516, 1494395, 2092153, 2134850, 2988790, 4184306, 4269700, 5977580, 7471975, 8368612, 10460765, 14943950, 20921530, 29887900, 41843060, 52303825, 104607650, 209215300]

約数ペア:

[(1, 209215300), (2, 104607650), (4, 52303825), (5, 41843060), (7, 29887900), (10, 20921530), (14, 14943950), (20, 10460765), (25, 8368612), (28, 7471975), (35, 5977580), (49, 4269700), (50, 4184306), (70, 2988790), (98, 2134850), (100, 2092153), (140, 1494395), (175, 1195516), (196, 1067425), (245, 853940), (350, 597758), (490, 426970), (700, 298879), (980, 213485), (1225, 170788), (2450, 85394), (4900, 42697)]