28146940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1423}}^1$

素因数の和:1498

約数の個数: 48

約数和(自身を含む): 63157248

約数和(自身を除く): 35010308

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1423, 1978, 2846, 3956, 4945, 5692, 7115, 9890, 14230, 19780, 28460, 32729, 61189, 65458, 122378, 130916, 163645, 244756, 305945, 327290, 611890, 654580, 1223780, 1407347, 2814694, 5629388, 7036735, 14073470, 28146940]

約数ペア:

[(1, 28146940), (2, 14073470), (4, 7036735), (5, 5629388), (10, 2814694), (20, 1407347), (23, 1223780), (43, 654580), (46, 611890), (86, 327290), (92, 305945), (115, 244756), (172, 163645), (215, 130916), (230, 122378), (430, 65458), (460, 61189), (860, 32729), (989, 28460), (1423, 19780), (1978, 14230), (2846, 9890), (3956, 7115), (4945, 5692)]