858367720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71293}}^1$

素因数の和:71354

約数の個数: 64

約数和(自身を含む): 2258593920

約数和(自身を除く): 1400226200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 3010, 6020, 12040, 71293, 142586, 285172, 356465, 499051, 570344, 712930, 998102, 1425860, 1996204, 2495255, 2851720, 3065599, 3992408, 4990510, 6131198, 9981020, 12262396, 15327995, 19962040, 21459193, 24524792, 30655990, 42918386, 61311980, 85836772, 107295965, 122623960, 171673544, 214591930, 429183860, 858367720]

約数ペア:

[(1, 858367720), (2, 429183860), (4, 214591930), (5, 171673544), (7, 122623960), (8, 107295965), (10, 85836772), (14, 61311980), (20, 42918386), (28, 30655990), (35, 24524792), (40, 21459193), (43, 19962040), (56, 15327995), (70, 12262396), (86, 9981020), (140, 6131198), (172, 4990510), (215, 3992408), (280, 3065599), (301, 2851720), (344, 2495255), (430, 1996204), (602, 1425860), (860, 998102), (1204, 712930), (1505, 570344), (1720, 499051), (2408, 356465), (3010, 285172), (6020, 142586), (12040, 71293)]