7850420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 17653440

約数和(自身を除く): 9803020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 283, 292, 365, 380, 566, 730, 1132, 1387, 1415, 1460, 2774, 2830, 5377, 5548, 5660, 6935, 10754, 13870, 20659, 21508, 26885, 27740, 41318, 53770, 82636, 103295, 107540, 206590, 392521, 413180, 785042, 1570084, 1962605, 3925210, 7850420]

約数ペア:

[(1, 7850420), (2, 3925210), (4, 1962605), (5, 1570084), (10, 785042), (19, 413180), (20, 392521), (38, 206590), (73, 107540), (76, 103295), (95, 82636), (146, 53770), (190, 41318), (283, 27740), (292, 26885), (365, 21508), (380, 20659), (566, 13870), (730, 10754), (1132, 6935), (1387, 5660), (1415, 5548), (1460, 5377), (2774, 2830)]