814900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:324

約数の個数: 36

約数和(自身を含む): 1835820

約数和(自身を除く): 1020920

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 281, 290, 562, 580, 725, 1124, 1405, 1450, 2810, 2900, 5620, 7025, 8149, 14050, 16298, 28100, 32596, 40745, 81490, 162980, 203725, 407450, 814900]

約数ペア:

[(1, 814900), (2, 407450), (4, 203725), (5, 162980), (10, 81490), (20, 40745), (25, 32596), (29, 28100), (50, 16298), (58, 14050), (100, 8149), (116, 7025), (145, 5620), (281, 2900), (290, 2810), (562, 1450), (580, 1405), (725, 1124)]