245275890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{115153}}^1$

素因数の和:115234

約数の個数: 32

約数和(自身を含む): 596958336

約数和(自身を除く): 351682446

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 115153, 230306, 345459, 575765, 690918, 1151530, 1727295, 3454590, 8175863, 16351726, 24527589, 40879315, 49055178, 81758630, 122637945, 245275890]

約数ペア:

[(1, 245275890), (2, 122637945), (3, 81758630), (5, 49055178), (6, 40879315), (10, 24527589), (15, 16351726), (30, 8175863), (71, 3454590), (142, 1727295), (213, 1151530), (355, 690918), (426, 575765), (710, 345459), (1065, 230306), (2130, 115153)]