165263420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{4703}}^1$

素因数の和:4970

約数の個数: 48

約数和(自身を含む): 398297088

約数和(自身を除く): 233033668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 502, 1004, 1255, 1757, 2510, 3514, 4703, 5020, 7028, 8785, 9406, 17570, 18812, 23515, 32921, 35140, 47030, 65842, 94060, 131684, 164605, 329210, 658420, 1180453, 2360906, 4721812, 5902265, 8263171, 11804530, 16526342, 23609060, 33052684, 41315855, 82631710, 165263420]

約数ペア:

[(1, 165263420), (2, 82631710), (4, 41315855), (5, 33052684), (7, 23609060), (10, 16526342), (14, 11804530), (20, 8263171), (28, 5902265), (35, 4721812), (70, 2360906), (140, 1180453), (251, 658420), (502, 329210), (1004, 164605), (1255, 131684), (1757, 94060), (2510, 65842), (3514, 47030), (4703, 35140), (5020, 32921), (7028, 23515), (8785, 18812), (9406, 17570)]