320021275

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{883}}^1$

素因数の和:1028

約数の個数: 48

約数和(自身を含む): 482310400

約数和(自身を除く): 162289125

約数列:

[1, 5, 7, 19, 25, 35, 95, 109, 133, 175, 475, 545, 665, 763, 883, 2071, 2725, 3325, 3815, 4415, 6181, 10355, 14497, 16777, 19075, 22075, 30905, 51775, 72485, 83885, 96247, 117439, 154525, 362425, 419425, 481235, 587195, 673729, 1828693, 2406175, 2935975, 3368645, 9143465, 12800851, 16843225, 45717325, 64004255, 320021275]

約数ペア:

[(1, 320021275), (5, 64004255), (7, 45717325), (19, 16843225), (25, 12800851), (35, 9143465), (95, 3368645), (109, 2935975), (133, 2406175), (175, 1828693), (475, 673729), (545, 587195), (665, 481235), (763, 419425), (883, 362425), (2071, 154525), (2725, 117439), (3325, 96247), (3815, 83885), (4415, 72485), (6181, 51775), (10355, 30905), (14497, 22075), (16777, 19075)]