658864060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{599}}^1\times {\mathrm{1279}}^1$

素因数の和:1930

約数の個数: 48

約数和(自身を含む): 1419264000

約数和(自身を除く): 760399940

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 599, 860, 1198, 1279, 2396, 2558, 2995, 5116, 5990, 6395, 11980, 12790, 25580, 25757, 51514, 54997, 103028, 109994, 128785, 219988, 257570, 274985, 515140, 549970, 766121, 1099940, 1532242, 3064484, 3830605, 7661210, 15322420, 32943203, 65886406, 131772812, 164716015, 329432030, 658864060]

約数ペア:

[(1, 658864060), (2, 329432030), (4, 164716015), (5, 131772812), (10, 65886406), (20, 32943203), (43, 15322420), (86, 7661210), (172, 3830605), (215, 3064484), (430, 1532242), (599, 1099940), (860, 766121), (1198, 549970), (1279, 515140), (2396, 274985), (2558, 257570), (2995, 219988), (5116, 128785), (5990, 109994), (6395, 103028), (11980, 54997), (12790, 51514), (25580, 25757)]