147152020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1\times {\mathrm{431}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 317737728

約数和(自身を除く): 170585708

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 397, 430, 431, 794, 860, 862, 1588, 1724, 1985, 2155, 3970, 4310, 7940, 8620, 17071, 18533, 34142, 37066, 68284, 74132, 85355, 92665, 170710, 171107, 185330, 341420, 342214, 370660, 684428, 855535, 1711070, 3422140, 7357601, 14715202, 29430404, 36788005, 73576010, 147152020]

約数ペア:

[(1, 147152020), (2, 73576010), (4, 36788005), (5, 29430404), (10, 14715202), (20, 7357601), (43, 3422140), (86, 1711070), (172, 855535), (215, 684428), (397, 370660), (430, 342214), (431, 341420), (794, 185330), (860, 171107), (862, 170710), (1588, 92665), (1724, 85355), (1985, 74132), (2155, 68284), (3970, 37066), (4310, 34142), (7940, 18533), (8620, 17071)]