42742760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{263}}^1$

素因数の和:530

約数の個数: 64

約数和(自身を含む): 102643200

約数和(自身を除く): 59900440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 239, 263, 340, 478, 526, 680, 956, 1052, 1195, 1315, 1912, 2104, 2390, 2630, 4063, 4471, 4780, 5260, 8126, 8942, 9560, 10520, 16252, 17884, 20315, 22355, 32504, 35768, 40630, 44710, 62857, 81260, 89420, 125714, 162520, 178840, 251428, 314285, 502856, 628570, 1068569, 1257140, 2137138, 2514280, 4274276, 5342845, 8548552, 10685690, 21371380, 42742760]

約数ペア:

[(1, 42742760), (2, 21371380), (4, 10685690), (5, 8548552), (8, 5342845), (10, 4274276), (17, 2514280), (20, 2137138), (34, 1257140), (40, 1068569), (68, 628570), (85, 502856), (136, 314285), (170, 251428), (239, 178840), (263, 162520), (340, 125714), (478, 89420), (526, 81260), (680, 62857), (956, 44710), (1052, 40630), (1195, 35768), (1315, 32504), (1912, 22355), (2104, 20315), (2390, 17884), (2630, 16252), (4063, 10520), (4471, 9560), (4780, 8942), (5260, 8126)]