213691520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{47699}}^1$

素因数の和:47725

約数の個数: 64

約数和(自身を含む): 583848000

約数和(自身を除く): 370156480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 47699, 95398, 190796, 238495, 333893, 381592, 476990, 667786, 763184, 953980, 1335572, 1526368, 1669465, 1907960, 2671144, 3052736, 3338930, 3815920, 5342288, 6105472, 6677860, 7631840, 10684576, 13355720, 15263680, 21369152, 26711440, 30527360, 42738304, 53422880, 106845760, 213691520]

約数ペア:

[(1, 213691520), (2, 106845760), (4, 53422880), (5, 42738304), (7, 30527360), (8, 26711440), (10, 21369152), (14, 15263680), (16, 13355720), (20, 10684576), (28, 7631840), (32, 6677860), (35, 6105472), (40, 5342288), (56, 3815920), (64, 3338930), (70, 3052736), (80, 2671144), (112, 1907960), (128, 1669465), (140, 1526368), (160, 1335572), (224, 953980), (280, 763184), (320, 667786), (448, 476990), (560, 381592), (640, 333893), (896, 238495), (1120, 190796), (2240, 95398), (4480, 47699)]