77513380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{553667}}^1$

素因数の和:553683

約数の個数: 24

約数和(自身を含む): 186032448

約数和(自身を除く): 108519068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 553667, 1107334, 2214668, 2768335, 3875669, 5536670, 7751338, 11073340, 15502676, 19378345, 38756690, 77513380]

約数ペア:

[(1, 77513380), (2, 38756690), (4, 19378345), (5, 15502676), (7, 11073340), (10, 7751338), (14, 5536670), (20, 3875669), (28, 2768335), (35, 2214668), (70, 1107334), (140, 553667)]