201755620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{2089}}^1$

素因数の和:2548

約数の個数: 48

約数和(自身を含む): 463478400

約数和(自身を除く): 261722780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 439, 878, 1756, 2089, 2195, 4178, 4390, 4829, 8356, 8780, 9658, 10445, 19316, 20890, 22979, 24145, 41780, 45958, 48290, 91916, 96580, 114895, 229790, 459580, 917071, 1834142, 3668284, 4585355, 9170710, 10087781, 18341420, 20175562, 40351124, 50438905, 100877810, 201755620]

約数ペア:

[(1, 201755620), (2, 100877810), (4, 50438905), (5, 40351124), (10, 20175562), (11, 18341420), (20, 10087781), (22, 9170710), (44, 4585355), (55, 3668284), (110, 1834142), (220, 917071), (439, 459580), (878, 229790), (1756, 114895), (2089, 96580), (2195, 91916), (4178, 48290), (4390, 45958), (4829, 41780), (8356, 24145), (8780, 22979), (9658, 20890), (10445, 19316)]