4287080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 11249280

約数和(自身を除く): 6962200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 251, 280, 305, 427, 488, 502, 610, 854, 1004, 1220, 1255, 1708, 1757, 2008, 2135, 2440, 2510, 3416, 3514, 4270, 5020, 7028, 8540, 8785, 10040, 14056, 15311, 17080, 17570, 30622, 35140, 61244, 70280, 76555, 107177, 122488, 153110, 214354, 306220, 428708, 535885, 612440, 857416, 1071770, 2143540, 4287080]

約数ペア:

[(1, 4287080), (2, 2143540), (4, 1071770), (5, 857416), (7, 612440), (8, 535885), (10, 428708), (14, 306220), (20, 214354), (28, 153110), (35, 122488), (40, 107177), (56, 76555), (61, 70280), (70, 61244), (122, 35140), (140, 30622), (244, 17570), (251, 17080), (280, 15311), (305, 14056), (427, 10040), (488, 8785), (502, 8540), (610, 7028), (854, 5020), (1004, 4270), (1220, 3514), (1255, 3416), (1708, 2510), (1757, 2440), (2008, 2135)]