1023996820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{664933}}^1$

素因数の和:664960

約数の個数: 48

約数和(自身を含む): 2681013888

約数和(自身を除く): 1657017068

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 664933, 1329866, 2659732, 3324665, 4654531, 6649330, 7314263, 9309062, 13298660, 14628526, 18618124, 23272655, 29257052, 36571315, 46545310, 51199841, 73142630, 93090620, 102399682, 146285260, 204799364, 255999205, 511998410, 1023996820]

約数ペア:

[(1, 1023996820), (2, 511998410), (4, 255999205), (5, 204799364), (7, 146285260), (10, 102399682), (11, 93090620), (14, 73142630), (20, 51199841), (22, 46545310), (28, 36571315), (35, 29257052), (44, 23272655), (55, 18618124), (70, 14628526), (77, 13298660), (110, 9309062), (140, 7314263), (154, 6649330), (220, 4654531), (308, 3324665), (385, 2659732), (770, 1329866), (1540, 664933)]