202496980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{3607}}^1$

素因数の和:4024

約数の個数: 48

約数和(自身を含む): 487339776

約数和(自身を除く): 284842796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 401, 802, 1604, 2005, 2807, 3607, 4010, 5614, 7214, 8020, 11228, 14035, 14428, 18035, 25249, 28070, 36070, 50498, 56140, 72140, 100996, 126245, 252490, 504980, 1446407, 2892814, 5785628, 7232035, 10124849, 14464070, 20249698, 28928140, 40499396, 50624245, 101248490, 202496980]

約数ペア:

[(1, 202496980), (2, 101248490), (4, 50624245), (5, 40499396), (7, 28928140), (10, 20249698), (14, 14464070), (20, 10124849), (28, 7232035), (35, 5785628), (70, 2892814), (140, 1446407), (401, 504980), (802, 252490), (1604, 126245), (2005, 100996), (2807, 72140), (3607, 56140), (4010, 50498), (5614, 36070), (7214, 28070), (8020, 25249), (11228, 18035), (14035, 14428)]