90723890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{312841}}^1$

素因数の和:312877

約数の個数: 16

約数和(自身を含む): 168934680

約数和(自身を除く): 78210790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 312841, 625682, 1564205, 3128410, 9072389, 18144778, 45361945, 90723890]

約数ペア:

[(1, 90723890), (2, 45361945), (5, 18144778), (10, 9072389), (29, 3128410), (58, 1564205), (145, 625682), (290, 312841)]