220153180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{4013}}^1$

素因数の和:4246

約数の個数: 48

約数和(自身を含む): 500369184

約数和(自身を除く): 280216004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 211, 260, 422, 844, 1055, 2110, 2743, 4013, 4220, 5486, 8026, 10972, 13715, 16052, 20065, 27430, 40130, 52169, 54860, 80260, 104338, 208676, 260845, 521690, 846743, 1043380, 1693486, 3386972, 4233715, 8467430, 11007659, 16934860, 22015318, 44030636, 55038295, 110076590, 220153180]

約数ペア:

[(1, 220153180), (2, 110076590), (4, 55038295), (5, 44030636), (10, 22015318), (13, 16934860), (20, 11007659), (26, 8467430), (52, 4233715), (65, 3386972), (130, 1693486), (211, 1043380), (260, 846743), (422, 521690), (844, 260845), (1055, 208676), (2110, 104338), (2743, 80260), (4013, 54860), (4220, 52169), (5486, 40130), (8026, 27430), (10972, 20065), (13715, 16052)]