201860900

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{613}}^1$

素因数の和:753

約数の個数: 72

約数和(自身を含む): 455673960

約数和(自身を除く): 253813060

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 89, 100, 148, 178, 185, 356, 370, 445, 613, 740, 890, 925, 1226, 1780, 1850, 2225, 2452, 3065, 3293, 3700, 4450, 6130, 6586, 8900, 12260, 13172, 15325, 16465, 22681, 30650, 32930, 45362, 54557, 61300, 65860, 82325, 90724, 109114, 113405, 164650, 218228, 226810, 272785, 329300, 453620, 545570, 567025, 1091140, 1134050, 1363925, 2018609, 2268100, 2727850, 4037218, 5455700, 8074436, 10093045, 20186090, 40372180, 50465225, 100930450, 201860900]

約数ペア:

[(1, 201860900), (2, 100930450), (4, 50465225), (5, 40372180), (10, 20186090), (20, 10093045), (25, 8074436), (37, 5455700), (50, 4037218), (74, 2727850), (89, 2268100), (100, 2018609), (148, 1363925), (178, 1134050), (185, 1091140), (356, 567025), (370, 545570), (445, 453620), (613, 329300), (740, 272785), (890, 226810), (925, 218228), (1226, 164650), (1780, 113405), (1850, 109114), (2225, 90724), (2452, 82325), (3065, 65860), (3293, 61300), (3700, 54557), (4450, 45362), (6130, 32930), (6586, 30650), (8900, 22681), (12260, 16465), (13172, 15325)]