581016520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{296437}}^1$

素因数の和:296462

約数の個数: 48

約数和(自身を含む): 1520726940

約数和(自身を除く): 939710420

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 296437, 592874, 1185748, 1482185, 2075059, 2371496, 2964370, 4150118, 5928740, 8300236, 10375295, 11857480, 14525413, 16600472, 20750590, 29050826, 41501180, 58101652, 72627065, 83002360, 116203304, 145254130, 290508260, 581016520]

約数ペア:

[(1, 581016520), (2, 290508260), (4, 145254130), (5, 116203304), (7, 83002360), (8, 72627065), (10, 58101652), (14, 41501180), (20, 29050826), (28, 20750590), (35, 16600472), (40, 14525413), (49, 11857480), (56, 10375295), (70, 8300236), (98, 5928740), (140, 4150118), (196, 2964370), (245, 2371496), (280, 2075059), (392, 1482185), (490, 1185748), (980, 592874), (1960, 296437)]