2027800810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{4138369}}^1$

素因数の和:4138390

約数の個数: 24

約数和(自身を含む): 4245967620

約数和(自身を除く): 2218166810

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 4138369, 8276738, 20691845, 28968583, 41383690, 57937166, 144842915, 202780081, 289685830, 405560162, 1013900405, 2027800810]

約数ペア:

[(1, 2027800810), (2, 1013900405), (5, 405560162), (7, 289685830), (10, 202780081), (14, 144842915), (35, 57937166), (49, 41383690), (70, 28968583), (98, 20691845), (245, 8276738), (490, 4138369)]