149868560

素因数分解:

$2^4\times 5^1\times {\mathrm{1873357}}^1$

素因数の和:1873370

約数の個数: 20

約数和(自身を含む): 348444588

約数和(自身を除く): 198576028

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1873357, 3746714, 7493428, 9366785, 14986856, 18733570, 29973712, 37467140, 74934280, 149868560]

約数ペア:

[(1, 149868560), (2, 74934280), (4, 37467140), (5, 29973712), (8, 18733570), (10, 14986856), (16, 9366785), (20, 7493428), (40, 3746714), (80, 1873357)]