1890460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 4671072

約数和(自身を除く): 2780612

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 661, 715, 1322, 1430, 2644, 2860, 3305, 6610, 7271, 8593, 13220, 14542, 17186, 29084, 34372, 36355, 42965, 72710, 85930, 94523, 145420, 171860, 189046, 378092, 472615, 945230, 1890460]

約数ペア:

[(1, 1890460), (2, 945230), (4, 472615), (5, 378092), (10, 189046), (11, 171860), (13, 145420), (20, 94523), (22, 85930), (26, 72710), (44, 42965), (52, 36355), (55, 34372), (65, 29084), (110, 17186), (130, 14542), (143, 13220), (220, 8593), (260, 7271), (286, 6610), (572, 3305), (661, 2860), (715, 2644), (1322, 1430)]