245822710

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{2521}}^1$

素因数の和:2741

約数の個数: 48

約数和(自身を含む): 517514400

約数和(自身を除く): 271691690

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 199, 245, 398, 490, 995, 1393, 1990, 2521, 2786, 5042, 6965, 9751, 12605, 13930, 17647, 19502, 25210, 35294, 48755, 88235, 97510, 123529, 176470, 247058, 501679, 617645, 1003358, 1235290, 2508395, 3511753, 5016790, 7023506, 17558765, 24582271, 35117530, 49164542, 122911355, 245822710]

約数ペア:

[(1, 245822710), (2, 122911355), (5, 49164542), (7, 35117530), (10, 24582271), (14, 17558765), (35, 7023506), (49, 5016790), (70, 3511753), (98, 2508395), (199, 1235290), (245, 1003358), (398, 617645), (490, 501679), (995, 247058), (1393, 176470), (1990, 123529), (2521, 97510), (2786, 88235), (5042, 48755), (6965, 35294), (9751, 25210), (12605, 19502), (13930, 17647)]