2737840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{4889}}^1$

素因数の和:4909

約数の個数: 40

約数和(自身を含む): 7276320

約数和(自身を除く): 4538480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 4889, 9778, 19556, 24445, 34223, 39112, 48890, 68446, 78224, 97780, 136892, 171115, 195560, 273784, 342230, 391120, 547568, 684460, 1368920, 2737840]

約数ペア:

[(1, 2737840), (2, 1368920), (4, 684460), (5, 547568), (7, 391120), (8, 342230), (10, 273784), (14, 195560), (16, 171115), (20, 136892), (28, 97780), (35, 78224), (40, 68446), (56, 48890), (70, 39112), (80, 34223), (112, 24445), (140, 19556), (280, 9778), (560, 4889)]