8269240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{4219}}^1$

素因数の和:4244

約数の個数: 48

約数和(自身を含む): 21648600

約数和(自身を除く): 13379360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 4219, 8438, 16876, 21095, 29533, 33752, 42190, 59066, 84380, 118132, 147665, 168760, 206731, 236264, 295330, 413462, 590660, 826924, 1033655, 1181320, 1653848, 2067310, 4134620, 8269240]

約数ペア:

[(1, 8269240), (2, 4134620), (4, 2067310), (5, 1653848), (7, 1181320), (8, 1033655), (10, 826924), (14, 590660), (20, 413462), (28, 295330), (35, 236264), (40, 206731), (49, 168760), (56, 147665), (70, 118132), (98, 84380), (140, 59066), (196, 42190), (245, 33752), (280, 29533), (392, 21095), (490, 16876), (980, 8438), (1960, 4219)]