408020280856

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1\times {\mathrm{757}}^1$

素因数の和:1281

約数の個数: 128

約数和(自身を含む): 823660992000

約数和(自身を除く): 415640711144

約数列:

[1, 2, 4, 8, 19, 38, 76, 97, 139, 152, 194, 263, 278, 388, 526, 556, 757, 776, 1052, 1112, 1514, 1843, 2104, 2641, 3028, 3686, 4997, 5282, 6056, 7372, 9994, 10564, 13483, 14383, 14744, 19988, 21128, 25511, 26966, 28766, 36557, 39976, 51022, 53932, 57532, 73114, 73429, 102044, 105223, 107864, 115064, 146228, 146858, 199091, 204088, 210446, 256177, 292456, 293716, 398182, 420892, 484709, 512354, 587432, 694583, 796364, 841784, 969418, 1024708, 1389166, 1395151, 1592728, 1938836, 1999237, 2049416, 2778332, 2790302, 3546029, 3782729, 3877672, 3998474, 5556664, 5580604, 7092058, 7565458, 7996948, 10206631, 11161208, 14184116, 15130916, 15993896, 19311827, 20413262, 27673649, 28368232, 30261832, 38623654, 40826524, 55347298, 67374551, 77247308, 81653048, 110694596, 134749102, 154494616, 193925989, 221389192, 269498204, 366924713, 387851978, 525799331, 538996408, 733849426, 775703956, 1051598662, 1467698852, 1551407912, 2103197324, 2684343953, 2935397704, 4206394648, 5368687906, 10737375812, 21474751624, 51002535107, 102005070214, 204010140428, 408020280856]

約数ペア:

[(1, 408020280856), (2, 204010140428), (4, 102005070214), (8, 51002535107), (19, 21474751624), (38, 10737375812), (76, 5368687906), (97, 4206394648), (139, 2935397704), (152, 2684343953), (194, 2103197324), (263, 1551407912), (278, 1467698852), (388, 1051598662), (526, 775703956), (556, 733849426), (757, 538996408), (776, 525799331), (1052, 387851978), (1112, 366924713), (1514, 269498204), (1843, 221389192), (2104, 193925989), (2641, 154494616), (3028, 134749102), (3686, 110694596), (4997, 81653048), (5282, 77247308), (6056, 67374551), (7372, 55347298), (9994, 40826524), (10564, 38623654), (13483, 30261832), (14383, 28368232), (14744, 27673649), (19988, 20413262), (21128, 19311827), (25511, 15993896), (26966, 15130916), (28766, 14184116), (36557, 11161208), (39976, 10206631), (51022, 7996948), (53932, 7565458), (57532, 7092058), (73114, 5580604), (73429, 5556664), (102044, 3998474), (105223, 3877672), (107864, 3782729), (115064, 3546029), (146228, 2790302), (146858, 2778332), (199091, 2049416), (204088, 1999237), (210446, 1938836), (256177, 1592728), (292456, 1395151), (293716, 1389166), (398182, 1024708), (420892, 969418), (484709, 841784), (512354, 796364), (587432, 694583)]