2155706030

素因数分解:

$2^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{542999}}^1$

素因数の和:543403

約数の個数: 16

約数和(自身を含む): 3890052000

約数和(自身を除く): 1734345970

約数列:

[1, 2, 5, 10, 397, 794, 1985, 3970, 542999, 1085998, 2714995, 5429990, 215570603, 431141206, 1077853015, 2155706030]

約数ペア:

[(1, 2155706030), (2, 1077853015), (5, 431141206), (10, 215570603), (397, 5429990), (794, 2714995), (1985, 1085998), (3970, 542999)]