90141290

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{45757}}^1$

素因数の和:45961

約数の個数: 16

約数和(自身を含む): 163081512

約数和(自身を除く): 72940222

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 45757, 91514, 228785, 457570, 9014129, 18028258, 45070645, 90141290]

約数ペア:

[(1, 90141290), (2, 45070645), (5, 18028258), (10, 9014129), (197, 457570), (394, 228785), (985, 91514), (1970, 45757)]