254826650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{569}}^1$

素因数の和:660

約数の個数: 72

約数和(自身を含む): 523844820

約数和(自身を除く): 269018170

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 53, 65, 106, 130, 169, 265, 325, 338, 530, 569, 650, 689, 845, 1138, 1325, 1378, 1690, 2650, 2845, 3445, 4225, 5690, 6890, 7397, 8450, 8957, 14225, 14794, 17225, 17914, 28450, 30157, 34450, 36985, 44785, 60314, 73970, 89570, 96161, 150785, 184925, 192322, 223925, 301570, 369850, 392041, 447850, 480805, 753925, 784082, 961610, 1507850, 1960205, 2404025, 3920410, 4808050, 5096533, 9801025, 10193066, 19602050, 25482665, 50965330, 127413325, 254826650]

約数ペア:

[(1, 254826650), (2, 127413325), (5, 50965330), (10, 25482665), (13, 19602050), (25, 10193066), (26, 9801025), (50, 5096533), (53, 4808050), (65, 3920410), (106, 2404025), (130, 1960205), (169, 1507850), (265, 961610), (325, 784082), (338, 753925), (530, 480805), (569, 447850), (650, 392041), (689, 369850), (845, 301570), (1138, 223925), (1325, 192322), (1378, 184925), (1690, 150785), (2650, 96161), (2845, 89570), (3445, 73970), (4225, 60314), (5690, 44785), (6890, 36985), (7397, 34450), (8450, 30157), (8957, 28450), (14225, 17914), (14794, 17225)]