208840240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21937}}^1$

素因数の和:21974

約数の個数: 80

約数和(自身を含む): 587587392

約数和(自身を除く): 378747152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 4760, 9520, 21937, 43874, 87748, 109685, 153559, 175496, 219370, 307118, 350992, 372929, 438740, 614236, 745858, 767795, 877480, 1228472, 1491716, 1535590, 1754960, 1864645, 2456944, 2610503, 2983432, 3071180, 3729290, 5221006, 5966864, 6142360, 7458580, 10442012, 12284720, 13052515, 14917160, 20884024, 26105030, 29834320, 41768048, 52210060, 104420120, 208840240]

約数ペア:

[(1, 208840240), (2, 104420120), (4, 52210060), (5, 41768048), (7, 29834320), (8, 26105030), (10, 20884024), (14, 14917160), (16, 13052515), (17, 12284720), (20, 10442012), (28, 7458580), (34, 6142360), (35, 5966864), (40, 5221006), (56, 3729290), (68, 3071180), (70, 2983432), (80, 2610503), (85, 2456944), (112, 1864645), (119, 1754960), (136, 1535590), (140, 1491716), (170, 1228472), (238, 877480), (272, 767795), (280, 745858), (340, 614236), (476, 438740), (560, 372929), (595, 350992), (680, 307118), (952, 219370), (1190, 175496), (1360, 153559), (1904, 109685), (2380, 87748), (4760, 43874), (9520, 21937)]