99918700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{409}}^1$

素因数の和:779

約数の個数: 72

約数和(自身を含む): 249116000

約数和(自身を除く): 149197300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 349, 350, 409, 698, 700, 818, 1396, 1636, 1745, 2045, 2443, 2863, 3490, 4090, 4886, 5726, 6980, 8180, 8725, 9772, 10225, 11452, 12215, 14315, 17450, 20450, 24430, 28630, 34900, 40900, 48860, 57260, 61075, 71575, 122150, 142741, 143150, 244300, 285482, 286300, 570964, 713705, 999187, 1427410, 1998374, 2854820, 3568525, 3996748, 4995935, 7137050, 9991870, 14274100, 19983740, 24979675, 49959350, 99918700]

約数ペア:

[(1, 99918700), (2, 49959350), (4, 24979675), (5, 19983740), (7, 14274100), (10, 9991870), (14, 7137050), (20, 4995935), (25, 3996748), (28, 3568525), (35, 2854820), (50, 1998374), (70, 1427410), (100, 999187), (140, 713705), (175, 570964), (349, 286300), (350, 285482), (409, 244300), (698, 143150), (700, 142741), (818, 122150), (1396, 71575), (1636, 61075), (1745, 57260), (2045, 48860), (2443, 40900), (2863, 34900), (3490, 28630), (4090, 24430), (4886, 20450), (5726, 17450), (6980, 14315), (8180, 12215), (8725, 11452), (9772, 10225)]