867960520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{442837}}^1$

素因数の和:442862

約数の個数: 48

約数和(自身を含む): 2271758940

約数和(自身を除く): 1403798420

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, 442837, 885674, 1771348, 2214185, 3099859, 3542696, 4428370, 6199718, 8856740, 12399436, 15499295, 17713480, 21699013, 24798872, 30998590, 43398026, 61997180, 86796052, 108495065, 123994360, 173592104, 216990130, 433980260, 867960520]

約数ペア:

[(1, 867960520), (2, 433980260), (4, 216990130), (5, 173592104), (7, 123994360), (8, 108495065), (10, 86796052), (14, 61997180), (20, 43398026), (28, 30998590), (35, 24798872), (40, 21699013), (49, 17713480), (56, 15499295), (70, 12399436), (98, 8856740), (140, 6199718), (196, 4428370), (245, 3542696), (280, 3099859), (392, 2214185), (490, 1771348), (980, 885674), (1960, 442837)]