219625840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{313}}^1$

素因数の和:519

約数の個数: 120

約数和(自身を含む): 599225040

約数和(自身を除く): 379599200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 179, 196, 245, 280, 313, 358, 392, 490, 560, 626, 716, 784, 895, 980, 1252, 1253, 1432, 1565, 1790, 1960, 2191, 2504, 2506, 2864, 3130, 3580, 3920, 4382, 5008, 5012, 6260, 6265, 7160, 8764, 8771, 10024, 10955, 12520, 12530, 14320, 15337, 17528, 17542, 20048, 21910, 25040, 25060, 30674, 35056, 35084, 43820, 43855, 50120, 56027, 61348, 70168, 76685, 87640, 87710, 100240, 112054, 122696, 140336, 153370, 175280, 175420, 224108, 245392, 280135, 306740, 350840, 392189, 448216, 560270, 613480, 701680, 784378, 896432, 1120540, 1226960, 1568756, 1960945, 2241080, 2745323, 3137512, 3921890, 4482160, 5490646, 6275024, 7843780, 10981292, 13726615, 15687560, 21962584, 27453230, 31375120, 43925168, 54906460, 109812920, 219625840]

約数ペア:

[(1, 219625840), (2, 109812920), (4, 54906460), (5, 43925168), (7, 31375120), (8, 27453230), (10, 21962584), (14, 15687560), (16, 13726615), (20, 10981292), (28, 7843780), (35, 6275024), (40, 5490646), (49, 4482160), (56, 3921890), (70, 3137512), (80, 2745323), (98, 2241080), (112, 1960945), (140, 1568756), (179, 1226960), (196, 1120540), (245, 896432), (280, 784378), (313, 701680), (358, 613480), (392, 560270), (490, 448216), (560, 392189), (626, 350840), (716, 306740), (784, 280135), (895, 245392), (980, 224108), (1252, 175420), (1253, 175280), (1432, 153370), (1565, 140336), (1790, 122696), (1960, 112054), (2191, 100240), (2504, 87710), (2506, 87640), (2864, 76685), (3130, 70168), (3580, 61348), (3920, 56027), (4382, 50120), (5008, 43855), (5012, 43820), (6260, 35084), (6265, 35056), (7160, 30674), (8764, 25060), (8771, 25040), (10024, 21910), (10955, 20048), (12520, 17542), (12530, 17528), (14320, 15337)]