203820400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{10399}}^1$

素因数の和:10431

約数の個数: 90

約数和(自身を含む): 569680800

約数和(自身を除く): 365860400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1225, 1400, 1960, 2450, 2800, 3920, 4900, 9800, 10399, 19600, 20798, 41596, 51995, 72793, 83192, 103990, 145586, 166384, 207980, 259975, 291172, 363965, 415960, 509551, 519950, 582344, 727930, 831920, 1019102, 1039900, 1164688, 1455860, 1819825, 2038204, 2079800, 2547755, 2911720, 3639650, 4076408, 4159600, 5095510, 5823440, 7279300, 8152816, 10191020, 12738775, 14558600, 20382040, 25477550, 29117200, 40764080, 50955100, 101910200, 203820400]

約数ペア:

[(1, 203820400), (2, 101910200), (4, 50955100), (5, 40764080), (7, 29117200), (8, 25477550), (10, 20382040), (14, 14558600), (16, 12738775), (20, 10191020), (25, 8152816), (28, 7279300), (35, 5823440), (40, 5095510), (49, 4159600), (50, 4076408), (56, 3639650), (70, 2911720), (80, 2547755), (98, 2079800), (100, 2038204), (112, 1819825), (140, 1455860), (175, 1164688), (196, 1039900), (200, 1019102), (245, 831920), (280, 727930), (350, 582344), (392, 519950), (400, 509551), (490, 415960), (560, 363965), (700, 291172), (784, 259975), (980, 207980), (1225, 166384), (1400, 145586), (1960, 103990), (2450, 83192), (2800, 72793), (3920, 51995), (4900, 41596), (9800, 20798), (10399, 19600)]