1148780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{809}}^1$

素因数の和:889

約数の個数: 24

約数和(自身を含む): 2449440

約数和(自身を除く): 1300660

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 809, 1420, 1618, 3236, 4045, 8090, 16180, 57439, 114878, 229756, 287195, 574390, 1148780]

約数ペア:

[(1, 1148780), (2, 574390), (4, 287195), (5, 229756), (10, 114878), (20, 57439), (71, 16180), (142, 8090), (284, 4045), (355, 3236), (710, 1618), (809, 1420)]