205045904

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{809}}^1$

素因数の和:928

約数の個数: 80

約数和(自身を含む): 475683840

約数和(自身を除く): 270637936

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 73, 112, 124, 146, 217, 248, 292, 434, 496, 511, 584, 809, 868, 1022, 1168, 1618, 1736, 2044, 2263, 3236, 3472, 4088, 4526, 5663, 6472, 8176, 9052, 11326, 12944, 15841, 18104, 22652, 25079, 31682, 36208, 45304, 50158, 59057, 63364, 90608, 100316, 118114, 126728, 175553, 200632, 236228, 253456, 351106, 401264, 413399, 472456, 702212, 826798, 944912, 1404424, 1653596, 1830767, 2808848, 3307192, 3661534, 6614384, 7323068, 12815369, 14646136, 25630738, 29292272, 51261476, 102522952, 205045904]

約数ペア:

[(1, 205045904), (2, 102522952), (4, 51261476), (7, 29292272), (8, 25630738), (14, 14646136), (16, 12815369), (28, 7323068), (31, 6614384), (56, 3661534), (62, 3307192), (73, 2808848), (112, 1830767), (124, 1653596), (146, 1404424), (217, 944912), (248, 826798), (292, 702212), (434, 472456), (496, 413399), (511, 401264), (584, 351106), (809, 253456), (868, 236228), (1022, 200632), (1168, 175553), (1618, 126728), (1736, 118114), (2044, 100316), (2263, 90608), (3236, 63364), (3472, 59057), (4088, 50158), (4526, 45304), (5663, 36208), (6472, 31682), (8176, 25079), (9052, 22652), (11326, 18104), (12944, 15841)]