210278380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{3833}}^1$

素因数の和:4066

約数の個数: 48

約数和(自身を含む): 477931104

約数和(自身を除く): 267652724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 211, 260, 422, 844, 1055, 2110, 2743, 3833, 4220, 5486, 7666, 10972, 13715, 15332, 19165, 27430, 38330, 49829, 54860, 76660, 99658, 199316, 249145, 498290, 808763, 996580, 1617526, 3235052, 4043815, 8087630, 10513919, 16175260, 21027838, 42055676, 52569595, 105139190, 210278380]

約数ペア:

[(1, 210278380), (2, 105139190), (4, 52569595), (5, 42055676), (10, 21027838), (13, 16175260), (20, 10513919), (26, 8087630), (52, 4043815), (65, 3235052), (130, 1617526), (211, 996580), (260, 808763), (422, 498290), (844, 249145), (1055, 199316), (2110, 99658), (2743, 76660), (3833, 54860), (4220, 49829), (5486, 38330), (7666, 27430), (10972, 19165), (13715, 15332)]