30218440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107923}}^1$

素因数の和:107941

約数の個数: 32

約数和(自身を含む): 77705280

約数和(自身を除く): 47486840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 107923, 215846, 431692, 539615, 755461, 863384, 1079230, 1510922, 2158460, 3021844, 3777305, 4316920, 6043688, 7554610, 15109220, 30218440]

約数ペア:

[(1, 30218440), (2, 15109220), (4, 7554610), (5, 6043688), (7, 4316920), (8, 3777305), (10, 3021844), (14, 2158460), (20, 1510922), (28, 1079230), (35, 863384), (40, 755461), (56, 539615), (70, 431692), (140, 215846), (280, 107923)]