164901520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{294467}}^1$

素因数の和:294487

約数の個数: 40

約数和(自身を含む): 438168384

約数和(自身を除く): 273266864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 294467, 588934, 1177868, 1472335, 2061269, 2355736, 2944670, 4122538, 4711472, 5889340, 8245076, 10306345, 11778680, 16490152, 20612690, 23557360, 32980304, 41225380, 82450760, 164901520]

約数ペア:

[(1, 164901520), (2, 82450760), (4, 41225380), (5, 32980304), (7, 23557360), (8, 20612690), (10, 16490152), (14, 11778680), (16, 10306345), (20, 8245076), (28, 5889340), (35, 4711472), (40, 4122538), (56, 2944670), (70, 2355736), (80, 2061269), (112, 1472335), (140, 1177868), (280, 588934), (560, 294467)]