311095904

素因数分解:

$2^5\times 7^2\times {\mathrm{199}}^1\times {\mathrm{997}}^1$

素因数の和:1220

約数の個数: 72

約数和(自身を含む): 716763600

約数和(自身を除く): 405667696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 199, 224, 392, 398, 784, 796, 997, 1393, 1568, 1592, 1994, 2786, 3184, 3988, 5572, 6368, 6979, 7976, 9751, 11144, 13958, 15952, 19502, 22288, 27916, 31904, 39004, 44576, 48853, 55832, 78008, 97706, 111664, 156016, 195412, 198403, 223328, 312032, 390824, 396806, 781648, 793612, 1388821, 1563296, 1587224, 2777642, 3174448, 5555284, 6348896, 9721747, 11110568, 19443494, 22221136, 38886988, 44442272, 77773976, 155547952, 311095904]

約数ペア:

[(1, 311095904), (2, 155547952), (4, 77773976), (7, 44442272), (8, 38886988), (14, 22221136), (16, 19443494), (28, 11110568), (32, 9721747), (49, 6348896), (56, 5555284), (98, 3174448), (112, 2777642), (196, 1587224), (199, 1563296), (224, 1388821), (392, 793612), (398, 781648), (784, 396806), (796, 390824), (997, 312032), (1393, 223328), (1568, 198403), (1592, 195412), (1994, 156016), (2786, 111664), (3184, 97706), (3988, 78008), (5572, 55832), (6368, 48853), (6979, 44576), (7976, 39004), (9751, 31904), (11144, 27916), (13958, 22288), (15952, 19502)]