1568980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1601}}^1$

素因数の和:1624

約数の個数: 36

約数和(自身を含む): 3835188

約数和(自身を除く): 2266208

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1601, 3202, 6404, 8005, 11207, 16010, 22414, 32020, 44828, 56035, 78449, 112070, 156898, 224140, 313796, 392245, 784490, 1568980]

約数ペア:

[(1, 1568980), (2, 784490), (4, 392245), (5, 313796), (7, 224140), (10, 156898), (14, 112070), (20, 78449), (28, 56035), (35, 44828), (49, 32020), (70, 22414), (98, 16010), (140, 11207), (196, 8005), (245, 6404), (490, 3202), (980, 1601)]