1368920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4889}}^1$

素因数の和:4907

約数の個数: 32

約数和(自身を含む): 3520800

約数和(自身を除く): 2151880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4889, 9778, 19556, 24445, 34223, 39112, 48890, 68446, 97780, 136892, 171115, 195560, 273784, 342230, 684460, 1368920]

約数ペア:

[(1, 1368920), (2, 684460), (4, 342230), (5, 273784), (7, 195560), (8, 171115), (10, 136892), (14, 97780), (20, 68446), (28, 48890), (35, 39112), (40, 34223), (56, 24445), (70, 19556), (140, 9778), (280, 4889)]