220054105

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 285120000

約数和(自身を除く): 65065895

約数列:

[1, 5, 19, 79, 95, 109, 269, 395, 545, 1345, 1501, 2071, 5111, 7505, 8611, 10355, 21251, 25555, 29321, 43055, 106255, 146605, 163609, 403769, 557099, 818045, 2018845, 2316359, 2785495, 11581795, 44010821, 220054105]

約数ペア:

[(1, 220054105), (5, 44010821), (19, 11581795), (79, 2785495), (95, 2316359), (109, 2018845), (269, 818045), (395, 557099), (545, 403769), (1345, 163609), (1501, 146605), (2071, 106255), (5111, 43055), (7505, 29321), (8611, 25555), (10355, 21251)]