217942160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1129}}^1$

素因数の和:1288

約数の個数: 80

約数和(自身を含む): 538060800

約数和(自身を除く): 320118640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 127, 152, 190, 254, 304, 380, 508, 635, 760, 1016, 1129, 1270, 1520, 2032, 2258, 2413, 2540, 4516, 4826, 5080, 5645, 9032, 9652, 10160, 11290, 12065, 18064, 19304, 21451, 22580, 24130, 38608, 42902, 45160, 48260, 85804, 90320, 96520, 107255, 143383, 171608, 193040, 214510, 286766, 343216, 429020, 573532, 716915, 858040, 1147064, 1433830, 1716080, 2294128, 2724277, 2867660, 5448554, 5735320, 10897108, 11470640, 13621385, 21794216, 27242770, 43588432, 54485540, 108971080, 217942160]

約数ペア:

[(1, 217942160), (2, 108971080), (4, 54485540), (5, 43588432), (8, 27242770), (10, 21794216), (16, 13621385), (19, 11470640), (20, 10897108), (38, 5735320), (40, 5448554), (76, 2867660), (80, 2724277), (95, 2294128), (127, 1716080), (152, 1433830), (190, 1147064), (254, 858040), (304, 716915), (380, 573532), (508, 429020), (635, 343216), (760, 286766), (1016, 214510), (1129, 193040), (1270, 171608), (1520, 143383), (2032, 107255), (2258, 96520), (2413, 90320), (2540, 85804), (4516, 48260), (4826, 45160), (5080, 42902), (5645, 38608), (9032, 24130), (9652, 22580), (10160, 21451), (11290, 19304), (12065, 18064)]