4984280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{2543}}^1$

素因数の和:2568

約数の個数: 48

約数和(自身を含む): 13050720

約数和(自身を除く): 8066440

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, 2543, 5086, 10172, 12715, 17801, 20344, 25430, 35602, 50860, 71204, 89005, 101720, 124607, 142408, 178010, 249214, 356020, 498428, 623035, 712040, 996856, 1246070, 2492140, 4984280]

約数ペア:

[(1, 4984280), (2, 2492140), (4, 1246070), (5, 996856), (7, 712040), (8, 623035), (10, 498428), (14, 356020), (20, 249214), (28, 178010), (35, 142408), (40, 124607), (49, 101720), (56, 89005), (70, 71204), (98, 50860), (140, 35602), (196, 25430), (245, 20344), (280, 17801), (392, 12715), (490, 10172), (980, 5086), (1960, 2543)]