219856270

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{401}}^1\times {\mathrm{503}}^1$

素因数の和:1020

約数の個数: 32

約数和(自身を含む): 401163840

約数和(自身を除く): 181307570

約数列:

[1, 2, 5, 10, 109, 218, 401, 503, 545, 802, 1006, 1090, 2005, 2515, 4010, 5030, 43709, 54827, 87418, 109654, 201703, 218545, 274135, 403406, 437090, 548270, 1008515, 2017030, 21985627, 43971254, 109928135, 219856270]

約数ペア:

[(1, 219856270), (2, 109928135), (5, 43971254), (10, 21985627), (109, 2017030), (218, 1008515), (401, 548270), (503, 437090), (545, 403406), (802, 274135), (1006, 218545), (1090, 201703), (2005, 109654), (2515, 87418), (4010, 54827), (5030, 43709)]