42605990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{86951}}^1$

素因数の和:86972

約数の個数: 24

約数和(自身を含む): 89212752

約数和(自身を除く): 46606762

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 86951, 173902, 434755, 608657, 869510, 1217314, 3043285, 4260599, 6086570, 8521198, 21302995, 42605990]

約数ペア:

[(1, 42605990), (2, 21302995), (5, 8521198), (7, 6086570), (10, 4260599), (14, 3043285), (35, 1217314), (49, 869510), (70, 608657), (98, 434755), (245, 173902), (490, 86951)]