30720305

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{11399}}^1$

素因数の和:11429

約数の個数: 24

約数和(自身を含む): 46785600

約数和(自身を除く): 16065295

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 11399, 56995, 79793, 125389, 398965, 558551, 626945, 877723, 2792755, 4388615, 6144061, 30720305]

約数ペア:

[(1, 30720305), (5, 6144061), (7, 4388615), (11, 2792755), (35, 877723), (49, 626945), (55, 558551), (77, 398965), (245, 125389), (385, 79793), (539, 56995), (2695, 11399)]