87132920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{311189}}^1$

素因数の和:311207

約数の個数: 32

約数和(自身を含む): 224056800

約数和(自身を除く): 136923880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 311189, 622378, 1244756, 1555945, 2178323, 2489512, 3111890, 4356646, 6223780, 8713292, 10891615, 12447560, 17426584, 21783230, 43566460, 87132920]

約数ペア:

[(1, 87132920), (2, 43566460), (4, 21783230), (5, 17426584), (7, 12447560), (8, 10891615), (10, 8713292), (14, 6223780), (20, 4356646), (28, 3111890), (35, 2489512), (40, 2178323), (56, 1555945), (70, 1244756), (140, 622378), (280, 311189)]