161211260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{9067}}^1$

素因数の和:9210

約数の個数: 48

約数和(自身を含む): 389996544

約数和(自身を除く): 228785284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 4445, 8890, 9067, 17780, 18134, 36268, 45335, 63469, 90670, 126938, 181340, 253876, 317345, 634690, 1151509, 1269380, 2303018, 4606036, 5757545, 8060563, 11515090, 16121126, 23030180, 32242252, 40302815, 80605630, 161211260]

約数ペア:

[(1, 161211260), (2, 80605630), (4, 40302815), (5, 32242252), (7, 23030180), (10, 16121126), (14, 11515090), (20, 8060563), (28, 5757545), (35, 4606036), (70, 2303018), (127, 1269380), (140, 1151509), (254, 634690), (508, 317345), (635, 253876), (889, 181340), (1270, 126938), (1778, 90670), (2540, 63469), (3556, 45335), (4445, 36268), (8890, 18134), (9067, 17780)]