339921020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:435

約数の個数: 96

約数和(自身を含む): 782369280

約数和(自身を除く): 442448260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 71, 76, 86, 95, 142, 172, 190, 215, 284, 293, 355, 380, 430, 586, 710, 817, 860, 1172, 1349, 1420, 1465, 1634, 2698, 2930, 3053, 3268, 4085, 5396, 5567, 5860, 6106, 6745, 8170, 11134, 12212, 12599, 13490, 15265, 16340, 20803, 22268, 25198, 26980, 27835, 30530, 41606, 50396, 55670, 58007, 61060, 62995, 83212, 104015, 111340, 116014, 125990, 208030, 232028, 239381, 251980, 290035, 395257, 416060, 478762, 580070, 790514, 894529, 957524, 1160140, 1196905, 1581028, 1789058, 1976285, 2393810, 3578116, 3952570, 4472645, 4787620, 7905140, 8945290, 16996051, 17890580, 33992102, 67984204, 84980255, 169960510, 339921020]

約数ペア:

[(1, 339921020), (2, 169960510), (4, 84980255), (5, 67984204), (10, 33992102), (19, 17890580), (20, 16996051), (38, 8945290), (43, 7905140), (71, 4787620), (76, 4472645), (86, 3952570), (95, 3578116), (142, 2393810), (172, 1976285), (190, 1789058), (215, 1581028), (284, 1196905), (293, 1160140), (355, 957524), (380, 894529), (430, 790514), (586, 580070), (710, 478762), (817, 416060), (860, 395257), (1172, 290035), (1349, 251980), (1420, 239381), (1465, 232028), (1634, 208030), (2698, 125990), (2930, 116014), (3053, 111340), (3268, 104015), (4085, 83212), (5396, 62995), (5567, 61060), (5860, 58007), (6106, 55670), (6745, 50396), (8170, 41606), (11134, 30530), (12212, 27835), (12599, 26980), (13490, 25198), (15265, 22268), (16340, 20803)]