90160090

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{290839}}^1$

素因数の和:290877

約数の個数: 16

約数和(自身を含む): 167523840

約数和(自身を除く): 77363750

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 290839, 581678, 1454195, 2908390, 9016009, 18032018, 45080045, 90160090]

約数ペア:

[(1, 90160090), (2, 45080045), (5, 18032018), (10, 9016009), (31, 2908390), (62, 1454195), (155, 581678), (310, 290839)]