381317620

素因数分解:

$2^2\times 5^1\times {\mathrm{1237}}^1\times {\mathrm{15413}}^1$

素因数の和:16659

約数の個数: 24

約数和(自身を含む): 801466344

約数和(自身を除く): 420148724

約数列:

[1, 2, 4, 5, 10, 20, 1237, 2474, 4948, 6185, 12370, 15413, 24740, 30826, 61652, 77065, 154130, 308260, 19065881, 38131762, 76263524, 95329405, 190658810, 381317620]

約数ペア:

[(1, 381317620), (2, 190658810), (4, 95329405), (5, 76263524), (10, 38131762), (20, 19065881), (1237, 308260), (2474, 154130), (4948, 77065), (6185, 61652), (12370, 30826), (15413, 24740)]