2029820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 4736928

約数和(自身を除く): 2707108

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 211, 260, 370, 422, 481, 740, 844, 962, 1055, 1924, 2110, 2405, 2743, 4220, 4810, 5486, 7807, 9620, 10972, 13715, 15614, 27430, 31228, 39035, 54860, 78070, 101491, 156140, 202982, 405964, 507455, 1014910, 2029820]

約数ペア:

[(1, 2029820), (2, 1014910), (4, 507455), (5, 405964), (10, 202982), (13, 156140), (20, 101491), (26, 78070), (37, 54860), (52, 39035), (65, 31228), (74, 27430), (130, 15614), (148, 13715), (185, 10972), (211, 9620), (260, 7807), (370, 5486), (422, 4810), (481, 4220), (740, 2743), (844, 2405), (962, 2110), (1055, 1924)]