78929480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2791}}^1$

素因数の和:2910

約数の個数: 64

約数和(自身を含む): 205044480

約数和(自身を除く): 126115000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 280, 404, 505, 707, 808, 1010, 1414, 2020, 2791, 2828, 3535, 4040, 5582, 5656, 7070, 11164, 13955, 14140, 19537, 22328, 27910, 28280, 39074, 55820, 78148, 97685, 111640, 156296, 195370, 281891, 390740, 563782, 781480, 1127564, 1409455, 1973237, 2255128, 2818910, 3946474, 5637820, 7892948, 9866185, 11275640, 15785896, 19732370, 39464740, 78929480]

約数ペア:

[(1, 78929480), (2, 39464740), (4, 19732370), (5, 15785896), (7, 11275640), (8, 9866185), (10, 7892948), (14, 5637820), (20, 3946474), (28, 2818910), (35, 2255128), (40, 1973237), (56, 1409455), (70, 1127564), (101, 781480), (140, 563782), (202, 390740), (280, 281891), (404, 195370), (505, 156296), (707, 111640), (808, 97685), (1010, 78148), (1414, 55820), (2020, 39074), (2791, 28280), (2828, 27910), (3535, 22328), (4040, 19537), (5582, 14140), (5656, 13955), (7070, 11164)]