490016912

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:265

約数の個数: 160

約数和(自身を含む): 1237420800

約数和(自身を除く): 747403888

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 41, 44, 56, 77, 82, 88, 89, 109, 112, 154, 164, 176, 178, 218, 287, 308, 328, 356, 436, 451, 574, 616, 623, 656, 712, 763, 872, 902, 979, 1148, 1199, 1232, 1246, 1424, 1526, 1744, 1804, 1958, 2296, 2398, 2492, 3052, 3157, 3608, 3649, 3916, 4469, 4592, 4796, 4984, 6104, 6314, 6853, 7216, 7298, 7832, 8393, 8938, 9592, 9701, 9968, 12208, 12628, 13706, 14596, 15664, 16786, 17876, 19184, 19402, 25256, 25543, 27412, 29192, 31283, 33572, 35752, 38804, 40139, 49159, 50512, 51086, 54824, 58384, 62566, 67144, 67907, 71504, 77608, 80278, 98318, 102172, 106711, 109648, 125132, 134288, 135814, 155216, 160556, 196636, 204344, 213422, 250264, 271628, 280973, 321112, 344113, 393272, 397741, 408688, 426844, 500528, 543256, 561946, 642224, 688226, 746977, 786544, 795482, 853688, 1086512, 1123892, 1376452, 1493954, 1590964, 1707376, 2247784, 2752904, 2784187, 2987908, 3181928, 4375151, 4495568, 5505808, 5568374, 5975816, 6363856, 8750302, 11136748, 11951632, 17500604, 22273496, 30626057, 35001208, 44546992, 61252114, 70002416, 122504228, 245008456, 490016912]

約数ペア:

[(1, 490016912), (2, 245008456), (4, 122504228), (7, 70002416), (8, 61252114), (11, 44546992), (14, 35001208), (16, 30626057), (22, 22273496), (28, 17500604), (41, 11951632), (44, 11136748), (56, 8750302), (77, 6363856), (82, 5975816), (88, 5568374), (89, 5505808), (109, 4495568), (112, 4375151), (154, 3181928), (164, 2987908), (176, 2784187), (178, 2752904), (218, 2247784), (287, 1707376), (308, 1590964), (328, 1493954), (356, 1376452), (436, 1123892), (451, 1086512), (574, 853688), (616, 795482), (623, 786544), (656, 746977), (712, 688226), (763, 642224), (872, 561946), (902, 543256), (979, 500528), (1148, 426844), (1199, 408688), (1232, 397741), (1246, 393272), (1424, 344113), (1526, 321112), (1744, 280973), (1804, 271628), (1958, 250264), (2296, 213422), (2398, 204344), (2492, 196636), (3052, 160556), (3157, 155216), (3608, 135814), (3649, 134288), (3916, 125132), (4469, 109648), (4592, 106711), (4796, 102172), (4984, 98318), (6104, 80278), (6314, 77608), (6853, 71504), (7216, 67907), (7298, 67144), (7832, 62566), (8393, 58384), (8938, 54824), (9592, 51086), (9701, 50512), (9968, 49159), (12208, 40139), (12628, 38804), (13706, 35752), (14596, 33572), (15664, 31283), (16786, 29192), (17876, 27412), (19184, 25543), (19402, 25256)]