199443530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{661}}^1$

素因数の和:903

約数の個数: 64

約数和(自身を含む): 424400256

約数和(自身を除く): 224956726

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 211, 286, 422, 661, 715, 1055, 1322, 1430, 2110, 2321, 2743, 3305, 4642, 5486, 6610, 7271, 8593, 11605, 13715, 14542, 17186, 23210, 27430, 30173, 36355, 42965, 60346, 72710, 85930, 94523, 139471, 150865, 189046, 278942, 301730, 472615, 697355, 945230, 1394710, 1534181, 1813123, 3068362, 3626246, 7670905, 9065615, 15341810, 18131230, 19944353, 39888706, 99721765, 199443530]

約数ペア:

[(1, 199443530), (2, 99721765), (5, 39888706), (10, 19944353), (11, 18131230), (13, 15341810), (22, 9065615), (26, 7670905), (55, 3626246), (65, 3068362), (110, 1813123), (130, 1534181), (143, 1394710), (211, 945230), (286, 697355), (422, 472615), (661, 301730), (715, 278942), (1055, 189046), (1322, 150865), (1430, 139471), (2110, 94523), (2321, 85930), (2743, 72710), (3305, 60346), (4642, 42965), (5486, 36355), (6610, 30173), (7271, 27430), (8593, 23210), (11605, 17186), (13715, 14542)]