247066760

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{1721}}^1$

素因数の和:1866

約数の個数: 64

約数和(自身を含む): 577145520

約数和(自身を除く): 330078760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 97, 148, 185, 194, 296, 370, 388, 485, 740, 776, 970, 1480, 1721, 1940, 3442, 3589, 3880, 6884, 7178, 8605, 13768, 14356, 17210, 17945, 28712, 34420, 35890, 63677, 68840, 71780, 127354, 143560, 166937, 254708, 318385, 333874, 509416, 636770, 667748, 834685, 1273540, 1335496, 1669370, 2547080, 3338740, 6176669, 6677480, 12353338, 24706676, 30883345, 49413352, 61766690, 123533380, 247066760]

約数ペア:

[(1, 247066760), (2, 123533380), (4, 61766690), (5, 49413352), (8, 30883345), (10, 24706676), (20, 12353338), (37, 6677480), (40, 6176669), (74, 3338740), (97, 2547080), (148, 1669370), (185, 1335496), (194, 1273540), (296, 834685), (370, 667748), (388, 636770), (485, 509416), (740, 333874), (776, 318385), (970, 254708), (1480, 166937), (1721, 143560), (1940, 127354), (3442, 71780), (3589, 68840), (3880, 63677), (6884, 35890), (7178, 34420), (8605, 28712), (13768, 17945), (14356, 17210)]