71408680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{36433}}^1$

素因数の和:36458

約数の個数: 48

約数和(自身を含む): 186906420

約数和(自身を除く): 115497740

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 36433, 72866, 145732, 182165, 255031, 291464, 364330, 510062, 728660, 1020124, 1275155, 1457320, 1785217, 2040248, 2550310, 3570434, 5100620, 7140868, 8926085, 10201240, 14281736, 17852170, 35704340, 71408680]

約数ペア:

[(1, 71408680), (2, 35704340), (4, 17852170), (5, 14281736), (7, 10201240), (8, 8926085), (10, 7140868), (14, 5100620), (20, 3570434), (28, 2550310), (35, 2040248), (40, 1785217), (49, 1457320), (56, 1275155), (70, 1020124), (98, 728660), (140, 510062), (196, 364330), (245, 291464), (280, 255031), (392, 182165), (490, 145732), (980, 72866), (1960, 36433)]