30909850

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{8707}}^1$

素因数の和:8790

約数の個数: 24

約数和(自身を含む): 58308768

約数和(自身を除く): 27398918

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550, 8707, 17414, 43535, 87070, 217675, 435350, 618197, 1236394, 3090985, 6181970, 15454925, 30909850]

約数ペア:

[(1, 30909850), (2, 15454925), (5, 6181970), (10, 3090985), (25, 1236394), (50, 618197), (71, 435350), (142, 217675), (355, 87070), (710, 43535), (1775, 17414), (3550, 8707)]