29989480

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 70761600

約数和(自身を除く): 40772120

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 103, 116, 145, 206, 232, 251, 290, 412, 502, 515, 580, 824, 1004, 1030, 1160, 1255, 2008, 2060, 2510, 2987, 4120, 5020, 5974, 7279, 10040, 11948, 14558, 14935, 23896, 25853, 29116, 29870, 36395, 51706, 58232, 59740, 72790, 103412, 119480, 129265, 145580, 206824, 258530, 291160, 517060, 749737, 1034120, 1499474, 2998948, 3748685, 5997896, 7497370, 14994740, 29989480]

約数ペア:

[(1, 29989480), (2, 14994740), (4, 7497370), (5, 5997896), (8, 3748685), (10, 2998948), (20, 1499474), (29, 1034120), (40, 749737), (58, 517060), (103, 291160), (116, 258530), (145, 206824), (206, 145580), (232, 129265), (251, 119480), (290, 103412), (412, 72790), (502, 59740), (515, 58232), (580, 51706), (824, 36395), (1004, 29870), (1030, 29116), (1160, 25853), (1255, 23896), (2008, 14935), (2060, 14558), (2510, 11948), (2987, 10040), (4120, 7279), (5020, 5974)]