208404560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28627}}^1$

素因数の和:28660

約数の個数: 80

約数和(自身を含む): 596378496

約数和(自身を除く): 387973936

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 28627, 57254, 114508, 143135, 200389, 229016, 286270, 372151, 400778, 458032, 572540, 744302, 801556, 1001945, 1145080, 1488604, 1603112, 1860755, 2003890, 2290160, 2605057, 2977208, 3206224, 3721510, 4007780, 5210114, 5954416, 7443020, 8015560, 10420228, 13025285, 14886040, 16031120, 20840456, 26050570, 29772080, 41680912, 52101140, 104202280, 208404560]

約数ペア:

[(1, 208404560), (2, 104202280), (4, 52101140), (5, 41680912), (7, 29772080), (8, 26050570), (10, 20840456), (13, 16031120), (14, 14886040), (16, 13025285), (20, 10420228), (26, 8015560), (28, 7443020), (35, 5954416), (40, 5210114), (52, 4007780), (56, 3721510), (65, 3206224), (70, 2977208), (80, 2605057), (91, 2290160), (104, 2003890), (112, 1860755), (130, 1603112), (140, 1488604), (182, 1145080), (208, 1001945), (260, 801556), (280, 744302), (364, 572540), (455, 458032), (520, 400778), (560, 372151), (728, 286270), (910, 229016), (1040, 200389), (1456, 143135), (1820, 114508), (3640, 57254), (7280, 28627)]