72020900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{751}}^1$

素因数の和:909

約数の個数: 72

約数和(自身を含む): 180155136

約数和(自身を除く): 108134236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 137, 140, 175, 274, 350, 548, 685, 700, 751, 959, 1370, 1502, 1918, 2740, 3004, 3425, 3755, 3836, 4795, 5257, 6850, 7510, 9590, 10514, 13700, 15020, 18775, 19180, 21028, 23975, 26285, 37550, 47950, 52570, 75100, 95900, 102887, 105140, 131425, 205774, 262850, 411548, 514435, 525700, 720209, 1028870, 1440418, 2057740, 2572175, 2880836, 3601045, 5144350, 7202090, 10288700, 14404180, 18005225, 36010450, 72020900]

約数ペア:

[(1, 72020900), (2, 36010450), (4, 18005225), (5, 14404180), (7, 10288700), (10, 7202090), (14, 5144350), (20, 3601045), (25, 2880836), (28, 2572175), (35, 2057740), (50, 1440418), (70, 1028870), (100, 720209), (137, 525700), (140, 514435), (175, 411548), (274, 262850), (350, 205774), (548, 131425), (685, 105140), (700, 102887), (751, 95900), (959, 75100), (1370, 52570), (1502, 47950), (1918, 37550), (2740, 26285), (3004, 23975), (3425, 21028), (3755, 19180), (3836, 18775), (4795, 15020), (5257, 13700), (6850, 10514), (7510, 9590)]