4254200

素因数分解:

$2^3\times 5^2\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 10044000

約数和(自身を除く): 5789800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 178, 200, 239, 356, 445, 478, 712, 890, 956, 1195, 1780, 1912, 2225, 2390, 3560, 4450, 4780, 5975, 8900, 9560, 11950, 17800, 21271, 23900, 42542, 47800, 85084, 106355, 170168, 212710, 425420, 531775, 850840, 1063550, 2127100, 4254200]

約数ペア:

[(1, 4254200), (2, 2127100), (4, 1063550), (5, 850840), (8, 531775), (10, 425420), (20, 212710), (25, 170168), (40, 106355), (50, 85084), (89, 47800), (100, 42542), (178, 23900), (200, 21271), (239, 17800), (356, 11950), (445, 9560), (478, 8900), (712, 5975), (890, 4780), (956, 4450), (1195, 3560), (1780, 2390), (1912, 2225)]