239915840

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:400

約数の個数: 112

約数和(自身を含む): 599114880

約数和(自身を除く): 359199040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 103, 116, 145, 160, 206, 232, 251, 290, 320, 412, 464, 502, 515, 580, 824, 928, 1004, 1030, 1160, 1255, 1648, 1856, 2008, 2060, 2320, 2510, 2987, 3296, 4016, 4120, 4640, 5020, 5974, 6592, 7279, 8032, 8240, 9280, 10040, 11948, 14558, 14935, 16064, 16480, 20080, 23896, 25853, 29116, 29870, 32960, 36395, 40160, 47792, 51706, 58232, 59740, 72790, 80320, 95584, 103412, 116464, 119480, 129265, 145580, 191168, 206824, 232928, 238960, 258530, 291160, 413648, 465856, 477920, 517060, 582320, 749737, 827296, 955840, 1034120, 1164640, 1499474, 1654592, 2068240, 2329280, 2998948, 3748685, 4136480, 5997896, 7497370, 8272960, 11995792, 14994740, 23991584, 29989480, 47983168, 59978960, 119957920, 239915840]

約数ペア:

[(1, 239915840), (2, 119957920), (4, 59978960), (5, 47983168), (8, 29989480), (10, 23991584), (16, 14994740), (20, 11995792), (29, 8272960), (32, 7497370), (40, 5997896), (58, 4136480), (64, 3748685), (80, 2998948), (103, 2329280), (116, 2068240), (145, 1654592), (160, 1499474), (206, 1164640), (232, 1034120), (251, 955840), (290, 827296), (320, 749737), (412, 582320), (464, 517060), (502, 477920), (515, 465856), (580, 413648), (824, 291160), (928, 258530), (1004, 238960), (1030, 232928), (1160, 206824), (1255, 191168), (1648, 145580), (1856, 129265), (2008, 119480), (2060, 116464), (2320, 103412), (2510, 95584), (2987, 80320), (3296, 72790), (4016, 59740), (4120, 58232), (4640, 51706), (5020, 47792), (5974, 40160), (6592, 36395), (7279, 32960), (8032, 29870), (8240, 29116), (9280, 25853), (10040, 23896), (11948, 20080), (14558, 16480), (14935, 16064)]