140957720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{49633}}^1$

素因数の和:49715

約数の個数: 32

約数和(自身を含む): 321628320

約数和(自身を除く): 180670600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 49633, 99266, 198532, 248165, 397064, 496330, 992660, 1985320, 3523943, 7047886, 14095772, 17619715, 28191544, 35239430, 70478860, 140957720]

約数ペア:

[(1, 140957720), (2, 70478860), (4, 35239430), (5, 28191544), (8, 17619715), (10, 14095772), (20, 7047886), (40, 3523943), (71, 1985320), (142, 992660), (284, 496330), (355, 397064), (568, 248165), (710, 198532), (1420, 99266), (2840, 49633)]