71710520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{36587}}^1$

素因数の和:36612

約数の個数: 48

約数和(自身を含む): 187696440

約数和(自身を除く): 115985920

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, 36587, 73174, 146348, 182935, 256109, 292696, 365870, 512218, 731740, 1024436, 1280545, 1463480, 1792763, 2048872, 2561090, 3585526, 5122180, 7171052, 8963815, 10244360, 14342104, 17927630, 35855260, 71710520]

約数ペア:

[(1, 71710520), (2, 35855260), (4, 17927630), (5, 14342104), (7, 10244360), (8, 8963815), (10, 7171052), (14, 5122180), (20, 3585526), (28, 2561090), (35, 2048872), (40, 1792763), (49, 1463480), (56, 1280545), (70, 1024436), (98, 731740), (140, 512218), (196, 365870), (245, 292696), (280, 256109), (392, 182935), (490, 146348), (980, 73174), (1960, 36587)]