142644880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{36389}}^1$

素因数の和:36416

約数の個数: 60

約数和(自身を含む): 385806780

約数和(自身を除く): 243161900

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 36389, 72778, 145556, 181945, 254723, 291112, 363890, 509446, 582224, 727780, 1018892, 1273615, 1455560, 1783061, 2037784, 2547230, 2911120, 3566122, 4075568, 5094460, 7132244, 8915305, 10188920, 14264488, 17830610, 20377840, 28528976, 35661220, 71322440, 142644880]

約数ペア:

[(1, 142644880), (2, 71322440), (4, 35661220), (5, 28528976), (7, 20377840), (8, 17830610), (10, 14264488), (14, 10188920), (16, 8915305), (20, 7132244), (28, 5094460), (35, 4075568), (40, 3566122), (49, 2911120), (56, 2547230), (70, 2037784), (80, 1783061), (98, 1455560), (112, 1273615), (140, 1018892), (196, 727780), (245, 582224), (280, 509446), (392, 363890), (490, 291112), (560, 254723), (784, 181945), (980, 145556), (1960, 72778), (3920, 36389)]