217357890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{7245263}}^1$

素因数の和:7245273

約数の個数: 16

約数和(自身を含む): 521659008

約数和(自身を除く): 304301118

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 7245263, 14490526, 21735789, 36226315, 43471578, 72452630, 108678945, 217357890]

約数ペア:

[(1, 217357890), (2, 108678945), (3, 72452630), (5, 43471578), (6, 36226315), (10, 21735789), (15, 14490526), (30, 7245263)]