4980920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17789}}^1$

素因数の和:17807

約数の個数: 32

約数和(自身を含む): 12808800

約数和(自身を除く): 7827880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 17789, 35578, 71156, 88945, 124523, 142312, 177890, 249046, 355780, 498092, 622615, 711560, 996184, 1245230, 2490460, 4980920]

約数ペア:

[(1, 4980920), (2, 2490460), (4, 1245230), (5, 996184), (7, 711560), (8, 622615), (10, 498092), (14, 355780), (20, 249046), (28, 177890), (35, 142312), (40, 124523), (56, 88945), (70, 71156), (140, 35578), (280, 17789)]