47151220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{503}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 102453120

約数和(自身を除く): 55301900

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 109, 172, 215, 218, 430, 436, 503, 545, 860, 1006, 1090, 2012, 2180, 2515, 4687, 5030, 9374, 10060, 18748, 21629, 23435, 43258, 46870, 54827, 86516, 93740, 108145, 109654, 216290, 219308, 274135, 432580, 548270, 1096540, 2357561, 4715122, 9430244, 11787805, 23575610, 47151220]

約数ペア:

[(1, 47151220), (2, 23575610), (4, 11787805), (5, 9430244), (10, 4715122), (20, 2357561), (43, 1096540), (86, 548270), (109, 432580), (172, 274135), (215, 219308), (218, 216290), (430, 109654), (436, 108145), (503, 93740), (545, 86516), (860, 54827), (1006, 46870), (1090, 43258), (2012, 23435), (2180, 21629), (2515, 18748), (4687, 10060), (5030, 9374)]