2178770725

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{23663}}^1$

素因数の和:23829

約数の個数: 24

約数和(自身を含む): 2816962560

約数和(自身を除く): 638191835

約数列:

[1, 5, 25, 29, 127, 145, 635, 725, 3175, 3683, 18415, 23663, 92075, 118315, 591575, 686227, 3005201, 3431135, 15026005, 17155675, 75130025, 87150829, 435754145, 2178770725]

約数ペア:

[(1, 2178770725), (5, 435754145), (25, 87150829), (29, 75130025), (127, 17155675), (145, 15026005), (635, 3431135), (725, 3005201), (3175, 686227), (3683, 591575), (18415, 118315), (23663, 92075)]