2490460

素因数分解:

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

素因数の和:17805

約数の個数: 24

約数和(自身を含む): 5977440

約数和(自身を除く): 3486980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 17789, 35578, 71156, 88945, 124523, 177890, 249046, 355780, 498092, 622615, 1245230, 2490460]

約数ペア:

[(1, 2490460), (2, 1245230), (4, 622615), (5, 498092), (7, 355780), (10, 249046), (14, 177890), (20, 124523), (28, 88945), (35, 71156), (70, 35578), (140, 17789)]