968656820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{793981}}^1$

素因数の和:794051

約数の個数: 24

約数和(自身を含む): 2067529128

約数和(自身を除く): 1098872308

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 793981, 1587962, 3175924, 3969905, 7939810, 15879620, 48432841, 96865682, 193731364, 242164205, 484328410, 968656820]

約数ペア:

[(1, 968656820), (2, 484328410), (4, 242164205), (5, 193731364), (10, 96865682), (20, 48432841), (61, 15879620), (122, 7939810), (244, 3969905), (305, 3175924), (610, 1587962), (1220, 793981)]