814014580

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1\times {\mathrm{839}}^1$

素因数の和:1336

約数の個数: 48

約数和(自身を含む): 1728720000

約数和(自身を除く): 914705420

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 349, 556, 695, 698, 839, 1390, 1396, 1678, 1745, 2780, 3356, 3490, 4195, 6980, 8390, 16780, 48511, 97022, 116621, 194044, 233242, 242555, 292811, 466484, 485110, 583105, 585622, 970220, 1166210, 1171244, 1464055, 2332420, 2928110, 5856220, 40700729, 81401458, 162802916, 203503645, 407007290, 814014580]

約数ペア:

[(1, 814014580), (2, 407007290), (4, 203503645), (5, 162802916), (10, 81401458), (20, 40700729), (139, 5856220), (278, 2928110), (349, 2332420), (556, 1464055), (695, 1171244), (698, 1166210), (839, 970220), (1390, 585622), (1396, 583105), (1678, 485110), (1745, 466484), (2780, 292811), (3356, 242555), (3490, 233242), (4195, 194044), (6980, 116621), (8390, 97022), (16780, 48511)]