87990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{419}}^1$

素因数の和:436

約数の個数: 32

約数和(自身を含む): 241920

約数和(自身を除く): 153930

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 419, 838, 1257, 2095, 2514, 2933, 4190, 5866, 6285, 8799, 12570, 14665, 17598, 29330, 43995, 87990]

約数ペア:

[(1, 87990), (2, 43995), (3, 29330), (5, 17598), (6, 14665), (7, 12570), (10, 8799), (14, 6285), (15, 5866), (21, 4190), (30, 2933), (35, 2514), (42, 2095), (70, 1257), (105, 838), (210, 419)]