2115890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1$

素因数の和:362

約数の個数: 32

約数和(自身を含む): 4402944

約数和(自身を除く): 2287054

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 167, 181, 334, 362, 835, 905, 1169, 1267, 1670, 1810, 2338, 2534, 5845, 6335, 11690, 12670, 30227, 60454, 151135, 211589, 302270, 423178, 1057945, 2115890]

約数ペア:

[(1, 2115890), (2, 1057945), (5, 423178), (7, 302270), (10, 211589), (14, 151135), (35, 60454), (70, 30227), (167, 12670), (181, 11690), (334, 6335), (362, 5845), (835, 2534), (905, 2338), (1169, 1810), (1267, 1670)]