291244490

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1\times {\mathrm{1429}}^1$

素因数の和:1754

約数の個数: 32

約数和(自身を含む): 532818000

約数和(自身を除く): 241573510

約数列:

[1, 2, 5, 10, 89, 178, 229, 445, 458, 890, 1145, 1429, 2290, 2858, 7145, 14290, 20381, 40762, 101905, 127181, 203810, 254362, 327241, 635905, 654482, 1271810, 1636205, 3272410, 29124449, 58248898, 145622245, 291244490]

約数ペア:

[(1, 291244490), (2, 145622245), (5, 58248898), (10, 29124449), (89, 3272410), (178, 1636205), (229, 1271810), (445, 654482), (458, 635905), (890, 327241), (1145, 254362), (1429, 203810), (2290, 127181), (2858, 101905), (7145, 40762), (14290, 20381)]