51230900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{449}}^1$

素因数の和:633

約数の個数: 72

約数和(自身を含む): 128116800

約数和(自身を除く): 76885900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 163, 175, 326, 350, 449, 652, 700, 815, 898, 1141, 1630, 1796, 2245, 2282, 3143, 3260, 4075, 4490, 4564, 5705, 6286, 8150, 8980, 11225, 11410, 12572, 15715, 16300, 22450, 22820, 28525, 31430, 44900, 57050, 62860, 73187, 78575, 114100, 146374, 157150, 292748, 314300, 365935, 512309, 731870, 1024618, 1463740, 1829675, 2049236, 2561545, 3659350, 5123090, 7318700, 10246180, 12807725, 25615450, 51230900]

約数ペア:

[(1, 51230900), (2, 25615450), (4, 12807725), (5, 10246180), (7, 7318700), (10, 5123090), (14, 3659350), (20, 2561545), (25, 2049236), (28, 1829675), (35, 1463740), (50, 1024618), (70, 731870), (100, 512309), (140, 365935), (163, 314300), (175, 292748), (326, 157150), (350, 146374), (449, 114100), (652, 78575), (700, 73187), (815, 62860), (898, 57050), (1141, 44900), (1630, 31430), (1796, 28525), (2245, 22820), (2282, 22450), (3143, 16300), (3260, 15715), (4075, 12572), (4490, 11410), (4564, 11225), (5705, 8980), (6286, 8150)]