138842480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{35419}}^1$

素因数の和:35446

約数の個数: 60

約数和(自身を含む): 375522840

約数和(自身を除く): 236680360

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, 35419, 70838, 141676, 177095, 247933, 283352, 354190, 495866, 566704, 708380, 991732, 1239665, 1416760, 1735531, 1983464, 2479330, 2833520, 3471062, 3966928, 4958660, 6942124, 8677655, 9917320, 13884248, 17355310, 19834640, 27768496, 34710620, 69421240, 138842480]

約数ペア:

[(1, 138842480), (2, 69421240), (4, 34710620), (5, 27768496), (7, 19834640), (8, 17355310), (10, 13884248), (14, 9917320), (16, 8677655), (20, 6942124), (28, 4958660), (35, 3966928), (40, 3471062), (49, 2833520), (56, 2479330), (70, 1983464), (80, 1735531), (98, 1416760), (112, 1239665), (140, 991732), (196, 708380), (245, 566704), (280, 495866), (392, 354190), (490, 283352), (560, 247933), (784, 177095), (980, 141676), (1960, 70838), (3920, 35419)]