69990620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71419}}^1$

素因数の和:71442

約数の個数: 36

約数和(自身を含む): 170979480

約数和(自身を除く): 100988860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 71419, 142838, 285676, 357095, 499933, 714190, 999866, 1428380, 1999732, 2499665, 3499531, 4999330, 6999062, 9998660, 13998124, 17497655, 34995310, 69990620]

約数ペア:

[(1, 69990620), (2, 34995310), (4, 17497655), (5, 13998124), (7, 9998660), (10, 6999062), (14, 4999330), (20, 3499531), (28, 2499665), (35, 1999732), (49, 1428380), (70, 999866), (98, 714190), (140, 499933), (196, 357095), (245, 285676), (490, 142838), (980, 71419)]