678164020

素因数分解:

$2^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{54779}}^1$

素因数の和:55407

約数の個数: 24

約数和(自身を含む): 1426471200

約数和(自身を除く): 748307180

約数列:

[1, 2, 4, 5, 10, 20, 619, 1238, 2476, 3095, 6190, 12380, 54779, 109558, 219116, 273895, 547790, 1095580, 33908201, 67816402, 135632804, 169541005, 339082010, 678164020]

約数ペア:

[(1, 678164020), (2, 339082010), (4, 169541005), (5, 135632804), (10, 67816402), (20, 33908201), (619, 1095580), (1238, 547790), (2476, 273895), (3095, 219116), (6190, 109558), (12380, 54779)]