3780920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1$

素因数の和:696

約数の個数: 64

約数和(自身を含む): 10009440

約数和(自身を除く): 6228520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 661, 715, 1144, 1322, 1430, 2644, 2860, 3305, 5288, 5720, 6610, 7271, 8593, 13220, 14542, 17186, 26440, 29084, 34372, 36355, 42965, 58168, 68744, 72710, 85930, 94523, 145420, 171860, 189046, 290840, 343720, 378092, 472615, 756184, 945230, 1890460, 3780920]

約数ペア:

[(1, 3780920), (2, 1890460), (4, 945230), (5, 756184), (8, 472615), (10, 378092), (11, 343720), (13, 290840), (20, 189046), (22, 171860), (26, 145420), (40, 94523), (44, 85930), (52, 72710), (55, 68744), (65, 58168), (88, 42965), (104, 36355), (110, 34372), (130, 29084), (143, 26440), (220, 17186), (260, 14542), (286, 13220), (440, 8593), (520, 7271), (572, 6610), (661, 5720), (715, 5288), (1144, 3305), (1322, 2860), (1430, 2644)]