2230778900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{455261}}^1$

素因数の和:455289

約数の個数: 54

約数和(自身を含む): 5631135678

約数和(自身を除く): 3400356778

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 455261, 910522, 1821044, 2276305, 3186827, 4552610, 6373654, 9105220, 11381525, 12747308, 15934135, 22307789, 22763050, 31868270, 44615578, 45526100, 63736540, 79670675, 89231156, 111538945, 159341350, 223077890, 318682700, 446155780, 557694725, 1115389450, 2230778900]

約数ペア:

[(1, 2230778900), (2, 1115389450), (4, 557694725), (5, 446155780), (7, 318682700), (10, 223077890), (14, 159341350), (20, 111538945), (25, 89231156), (28, 79670675), (35, 63736540), (49, 45526100), (50, 44615578), (70, 31868270), (98, 22763050), (100, 22307789), (140, 15934135), (175, 12747308), (196, 11381525), (245, 9105220), (350, 6373654), (490, 4552610), (700, 3186827), (980, 2276305), (1225, 1821044), (2450, 910522), (4900, 455261)]