68647460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{490339}}^1$

素因数の和:490355

約数の個数: 24

約数和(自身を含む): 164754240

約数和(自身を除く): 96106780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 490339, 980678, 1961356, 2451695, 3432373, 4903390, 6864746, 9806780, 13729492, 17161865, 34323730, 68647460]

約数ペア:

[(1, 68647460), (2, 34323730), (4, 17161865), (5, 13729492), (7, 9806780), (10, 6864746), (14, 4903390), (20, 3432373), (28, 2451695), (35, 1961356), (70, 980678), (140, 490339)]