254413040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23911}}^1$

素因数の和:23950

約数の個数: 80

約数和(自身を含む): 711621120

約数和(自身を除く): 457208080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 10640, 23911, 47822, 95644, 119555, 167377, 191288, 239110, 334754, 382576, 454309, 478220, 669508, 836885, 908618, 956440, 1339016, 1673770, 1817236, 1912880, 2271545, 2678032, 3180163, 3347540, 3634472, 4543090, 6360326, 6695080, 7268944, 9086180, 12720652, 13390160, 15900815, 18172360, 25441304, 31801630, 36344720, 50882608, 63603260, 127206520, 254413040]

約数ペア:

[(1, 254413040), (2, 127206520), (4, 63603260), (5, 50882608), (7, 36344720), (8, 31801630), (10, 25441304), (14, 18172360), (16, 15900815), (19, 13390160), (20, 12720652), (28, 9086180), (35, 7268944), (38, 6695080), (40, 6360326), (56, 4543090), (70, 3634472), (76, 3347540), (80, 3180163), (95, 2678032), (112, 2271545), (133, 1912880), (140, 1817236), (152, 1673770), (190, 1339016), (266, 956440), (280, 908618), (304, 836885), (380, 669508), (532, 478220), (560, 454309), (665, 382576), (760, 334754), (1064, 239110), (1330, 191288), (1520, 167377), (2128, 119555), (2660, 95644), (5320, 47822), (10640, 23911)]