225400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{23}}^1$

素因数の和:53

約数の個数: 72

約数和(自身を含む): 636120

約数和(自身を除く): 410720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 25, 28, 35, 40, 46, 49, 50, 56, 70, 92, 98, 100, 115, 140, 161, 175, 184, 196, 200, 230, 245, 280, 322, 350, 392, 460, 490, 575, 644, 700, 805, 920, 980, 1127, 1150, 1225, 1288, 1400, 1610, 1960, 2254, 2300, 2450, 3220, 4025, 4508, 4600, 4900, 5635, 6440, 8050, 9016, 9800, 11270, 16100, 22540, 28175, 32200, 45080, 56350, 112700, 225400]

約数ペア:

[(1, 225400), (2, 112700), (4, 56350), (5, 45080), (7, 32200), (8, 28175), (10, 22540), (14, 16100), (20, 11270), (23, 9800), (25, 9016), (28, 8050), (35, 6440), (40, 5635), (46, 4900), (49, 4600), (50, 4508), (56, 4025), (70, 3220), (92, 2450), (98, 2300), (100, 2254), (115, 1960), (140, 1610), (161, 1400), (175, 1288), (184, 1225), (196, 1150), (200, 1127), (230, 980), (245, 920), (280, 805), (322, 700), (350, 644), (392, 575), (460, 490)]