42194990

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{38711}}^1$

素因数の和:38827

約数の個数: 16

約数和(自身を含む): 76649760

約数和(自身を除く): 34454770

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 38711, 77422, 193555, 387110, 4219499, 8438998, 21097495, 42194990]

約数ペア:

[(1, 42194990), (2, 21097495), (5, 8438998), (10, 4219499), (109, 387110), (218, 193555), (545, 77422), (1090, 38711)]