890588440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{4603}}^1$

素因数の和:5312

約数の個数: 64

約数和(自身を含む): 2293896960

約数和(自身を除く): 1403308520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 691, 1382, 2764, 3455, 4603, 4837, 5528, 6910, 9206, 9674, 13820, 18412, 19348, 23015, 24185, 27640, 32221, 36824, 38696, 46030, 48370, 64442, 92060, 96740, 128884, 161105, 184120, 193480, 257768, 322210, 644420, 1288840, 3180673, 6361346, 12722692, 15903365, 22264711, 25445384, 31806730, 44529422, 63613460, 89058844, 111323555, 127226920, 178117688, 222647110, 445294220, 890588440]

約数ペア:

[(1, 890588440), (2, 445294220), (4, 222647110), (5, 178117688), (7, 127226920), (8, 111323555), (10, 89058844), (14, 63613460), (20, 44529422), (28, 31806730), (35, 25445384), (40, 22264711), (56, 15903365), (70, 12722692), (140, 6361346), (280, 3180673), (691, 1288840), (1382, 644420), (2764, 322210), (3455, 257768), (4603, 193480), (4837, 184120), (5528, 161105), (6910, 128884), (9206, 96740), (9674, 92060), (13820, 64442), (18412, 48370), (19348, 46030), (23015, 38696), (24185, 36824), (27640, 32221)]