42936460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{306689}}^1$

素因数の和:306705

約数の個数: 24

約数和(自身を含む): 103047840

約数和(自身を除く): 60111380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 306689, 613378, 1226756, 1533445, 2146823, 3066890, 4293646, 6133780, 8587292, 10734115, 21468230, 42936460]

約数ペア:

[(1, 42936460), (2, 21468230), (4, 10734115), (5, 8587292), (7, 6133780), (10, 4293646), (14, 3066890), (20, 2146823), (28, 1533445), (35, 1226756), (70, 613378), (140, 306689)]