219794360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{1229}}^1$

素因数の和:1520

約数の個数: 64

約数和(自身を含む): 526046400

約数和(自身を除く): 306252040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 263, 340, 526, 680, 1052, 1229, 1315, 2104, 2458, 2630, 4471, 4916, 5260, 6145, 8942, 9832, 10520, 12290, 17884, 20893, 22355, 24580, 35768, 41786, 44710, 49160, 83572, 89420, 104465, 167144, 178840, 208930, 323227, 417860, 646454, 835720, 1292908, 1616135, 2585816, 3232270, 5494859, 6464540, 10989718, 12929080, 21979436, 27474295, 43958872, 54948590, 109897180, 219794360]

約数ペア:

[(1, 219794360), (2, 109897180), (4, 54948590), (5, 43958872), (8, 27474295), (10, 21979436), (17, 12929080), (20, 10989718), (34, 6464540), (40, 5494859), (68, 3232270), (85, 2585816), (136, 1616135), (170, 1292908), (263, 835720), (340, 646454), (526, 417860), (680, 323227), (1052, 208930), (1229, 178840), (1315, 167144), (2104, 104465), (2458, 89420), (2630, 83572), (4471, 49160), (4916, 44710), (5260, 41786), (6145, 35768), (8942, 24580), (9832, 22355), (10520, 20893), (12290, 17884)]