291234280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{16661}}^1$

素因数の和:16714

約数の個数: 64

約数和(自身を含む): 719798400

約数和(自身を除く): 428564120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 760, 874, 920, 1748, 2185, 3496, 4370, 8740, 16661, 17480, 33322, 66644, 83305, 133288, 166610, 316559, 333220, 383203, 633118, 666440, 766406, 1266236, 1532812, 1582795, 1916015, 2532472, 3065624, 3165590, 3832030, 6331180, 7280857, 7664060, 12662360, 14561714, 15328120, 29123428, 36404285, 58246856, 72808570, 145617140, 291234280]

約数ペア:

[(1, 291234280), (2, 145617140), (4, 72808570), (5, 58246856), (8, 36404285), (10, 29123428), (19, 15328120), (20, 14561714), (23, 12662360), (38, 7664060), (40, 7280857), (46, 6331180), (76, 3832030), (92, 3165590), (95, 3065624), (115, 2532472), (152, 1916015), (184, 1582795), (190, 1532812), (230, 1266236), (380, 766406), (437, 666440), (460, 633118), (760, 383203), (874, 333220), (920, 316559), (1748, 166610), (2185, 133288), (3496, 83305), (4370, 66644), (8740, 33322), (16661, 17480)]