154077980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1100557}}^1$

素因数の和:1100573

約数の個数: 24

約数和(自身を含む): 369787488

約数和(自身を除く): 215709508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1100557, 2201114, 4402228, 5502785, 7703899, 11005570, 15407798, 22011140, 30815596, 38519495, 77038990, 154077980]

約数ペア:

[(1, 154077980), (2, 77038990), (4, 38519495), (5, 30815596), (7, 22011140), (10, 15407798), (14, 11005570), (20, 7703899), (28, 5502785), (35, 4402228), (70, 2201114), (140, 1100557)]