305499460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2182139}}^1$

素因数の和:2182155

約数の個数: 24

約数和(自身を含む): 733199040

約数和(自身を除く): 427699580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2182139, 4364278, 8728556, 10910695, 15274973, 21821390, 30549946, 43642780, 61099892, 76374865, 152749730, 305499460]

約数ペア:

[(1, 305499460), (2, 152749730), (4, 76374865), (5, 61099892), (7, 43642780), (10, 30549946), (14, 21821390), (20, 15274973), (28, 10910695), (35, 8728556), (70, 4364278), (140, 2182139)]