259554260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{563}}^1$

素因数の和:705

約数の個数: 96

約数和(自身を含む): 648103680

約数和(自身を除く): 388549420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 89, 140, 148, 178, 185, 259, 356, 370, 445, 518, 563, 623, 740, 890, 1036, 1126, 1246, 1295, 1780, 2252, 2492, 2590, 2815, 3115, 3293, 3941, 5180, 5630, 6230, 6586, 7882, 11260, 12460, 13172, 15764, 16465, 19705, 20831, 23051, 32930, 39410, 41662, 46102, 50107, 65860, 78820, 83324, 92204, 100214, 104155, 115255, 145817, 200428, 208310, 230510, 250535, 291634, 350749, 416620, 461020, 501070, 583268, 701498, 729085, 1002140, 1402996, 1458170, 1753745, 1853959, 2916340, 3507490, 3707918, 7014980, 7415836, 9269795, 12977713, 18539590, 25955426, 37079180, 51910852, 64888565, 129777130, 259554260]

約数ペア:

[(1, 259554260), (2, 129777130), (4, 64888565), (5, 51910852), (7, 37079180), (10, 25955426), (14, 18539590), (20, 12977713), (28, 9269795), (35, 7415836), (37, 7014980), (70, 3707918), (74, 3507490), (89, 2916340), (140, 1853959), (148, 1753745), (178, 1458170), (185, 1402996), (259, 1002140), (356, 729085), (370, 701498), (445, 583268), (518, 501070), (563, 461020), (623, 416620), (740, 350749), (890, 291634), (1036, 250535), (1126, 230510), (1246, 208310), (1295, 200428), (1780, 145817), (2252, 115255), (2492, 104155), (2590, 100214), (2815, 92204), (3115, 83324), (3293, 78820), (3941, 65860), (5180, 50107), (5630, 46102), (6230, 41662), (6586, 39410), (7882, 32930), (11260, 23051), (12460, 20831), (13172, 19705), (15764, 16465)]