440091680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20681}}^1$

素因数の和:20722

約数の個数: 96

約数和(自身を含む): 1250847360

約数和(自身を除く): 810755680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 380, 532, 560, 608, 665, 760, 1064, 1120, 1330, 1520, 2128, 2660, 3040, 4256, 5320, 10640, 20681, 21280, 41362, 82724, 103405, 144767, 165448, 206810, 289534, 330896, 392939, 413620, 579068, 661792, 723835, 785878, 827240, 1158136, 1447670, 1571756, 1654480, 1964695, 2316272, 2750573, 2895340, 3143512, 3308960, 3929390, 4632544, 5501146, 5790680, 6287024, 7858780, 11002292, 11581360, 12574048, 13752865, 15717560, 22004584, 23162720, 27505730, 31435120, 44009168, 55011460, 62870240, 88018336, 110022920, 220045840, 440091680]

約数ペア:

[(1, 440091680), (2, 220045840), (4, 110022920), (5, 88018336), (7, 62870240), (8, 55011460), (10, 44009168), (14, 31435120), (16, 27505730), (19, 23162720), (20, 22004584), (28, 15717560), (32, 13752865), (35, 12574048), (38, 11581360), (40, 11002292), (56, 7858780), (70, 6287024), (76, 5790680), (80, 5501146), (95, 4632544), (112, 3929390), (133, 3308960), (140, 3143512), (152, 2895340), (160, 2750573), (190, 2316272), (224, 1964695), (266, 1654480), (280, 1571756), (304, 1447670), (380, 1158136), (532, 827240), (560, 785878), (608, 723835), (665, 661792), (760, 579068), (1064, 413620), (1120, 392939), (1330, 330896), (1520, 289534), (2128, 206810), (2660, 165448), (3040, 144767), (4256, 103405), (5320, 82724), (10640, 41362), (20681, 21280)]