154284440

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{27749}}^1$

素因数の和:27899

約数の個数: 32

約数和(自身を含む): 349650000

約数和(自身を除く): 195365560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 27749, 55498, 110996, 138745, 221992, 277490, 554980, 1109960, 3857111, 7714222, 15428444, 19285555, 30856888, 38571110, 77142220, 154284440]

約数ペア:

[(1, 154284440), (2, 77142220), (4, 38571110), (5, 30856888), (8, 19285555), (10, 15428444), (20, 7714222), (40, 3857111), (139, 1109960), (278, 554980), (556, 277490), (695, 221992), (1112, 138745), (1390, 110996), (2780, 55498), (5560, 27749)]