148900880

素因数分解:

$2^4\times 5^1\times {\mathrm{1861261}}^1$

素因数の和:1861274

約数の個数: 20

約数和(自身を含む): 346194732

約数和(自身を除く): 197293852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1861261, 3722522, 7445044, 9306305, 14890088, 18612610, 29780176, 37225220, 74450440, 148900880]

約数ペア:

[(1, 148900880), (2, 74450440), (4, 37225220), (5, 29780176), (8, 18612610), (10, 14890088), (16, 9306305), (20, 7445044), (40, 3722522), (80, 1861261)]