179993180

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{1091}}^1$

素因数の和:1286

約数の個数: 48

約数和(自身を含む): 386908704

約数和(自身を除く): 206915524

約数列:

[1, 2, 4, 5, 10, 20, 73, 113, 146, 226, 292, 365, 452, 565, 730, 1091, 1130, 1460, 2182, 2260, 4364, 5455, 8249, 10910, 16498, 21820, 32996, 41245, 79643, 82490, 123283, 159286, 164980, 246566, 318572, 398215, 493132, 616415, 796430, 1232830, 1592860, 2465660, 8999659, 17999318, 35998636, 44998295, 89996590, 179993180]

約数ペア:

[(1, 179993180), (2, 89996590), (4, 44998295), (5, 35998636), (10, 17999318), (20, 8999659), (73, 2465660), (113, 1592860), (146, 1232830), (226, 796430), (292, 616415), (365, 493132), (452, 398215), (565, 318572), (730, 246566), (1091, 164980), (1130, 159286), (1460, 123283), (2182, 82490), (2260, 79643), (4364, 41245), (5455, 32996), (8249, 21820), (10910, 16498)]