306214580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2187247}}^1$

素因数の和:2187263

約数の個数: 24

約数和(自身を含む): 734915328

約数和(自身を除く): 428700748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2187247, 4374494, 8748988, 10936235, 15310729, 21872470, 30621458, 43744940, 61242916, 76553645, 153107290, 306214580]

約数ペア:

[(1, 306214580), (2, 153107290), (4, 76553645), (5, 61242916), (7, 43744940), (10, 30621458), (14, 21872470), (20, 15310729), (28, 10936235), (35, 8748988), (70, 4374494), (140, 2187247)]