38223920

素因数分解:

$2^4\times 5^1\times 7^4\times {\mathrm{199}}^1$

素因数の和:240

約数の個数: 100

約数和(自身を含む): 104197200

約数和(自身を除く): 65973280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 199, 245, 280, 343, 392, 398, 490, 560, 686, 784, 796, 980, 995, 1372, 1393, 1592, 1715, 1960, 1990, 2401, 2744, 2786, 3184, 3430, 3920, 3980, 4802, 5488, 5572, 6860, 6965, 7960, 9604, 9751, 11144, 12005, 13720, 13930, 15920, 19208, 19502, 22288, 24010, 27440, 27860, 38416, 39004, 48020, 48755, 55720, 68257, 78008, 96040, 97510, 111440, 136514, 156016, 192080, 195020, 273028, 341285, 390040, 477799, 546056, 682570, 780080, 955598, 1092112, 1365140, 1911196, 2388995, 2730280, 3822392, 4777990, 5460560, 7644784, 9555980, 19111960, 38223920]

約数ペア:

[(1, 38223920), (2, 19111960), (4, 9555980), (5, 7644784), (7, 5460560), (8, 4777990), (10, 3822392), (14, 2730280), (16, 2388995), (20, 1911196), (28, 1365140), (35, 1092112), (40, 955598), (49, 780080), (56, 682570), (70, 546056), (80, 477799), (98, 390040), (112, 341285), (140, 273028), (196, 195020), (199, 192080), (245, 156016), (280, 136514), (343, 111440), (392, 97510), (398, 96040), (490, 78008), (560, 68257), (686, 55720), (784, 48755), (796, 48020), (980, 39004), (995, 38416), (1372, 27860), (1393, 27440), (1592, 24010), (1715, 22288), (1960, 19502), (1990, 19208), (2401, 15920), (2744, 13930), (2786, 13720), (3184, 12005), (3430, 11144), (3920, 9751), (3980, 9604), (4802, 7960), (5488, 6965), (5572, 6860)]