1389804590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{123979}}^1$

素因数の和:124064

約数の個数: 32

約数和(自身を含む): 2677968000

約数和(自身を除く): 1288163410

約数列:

[1, 2, 5, 10, 19, 38, 59, 95, 118, 190, 295, 590, 1121, 2242, 5605, 11210, 123979, 247958, 619895, 1239790, 2355601, 4711202, 7314761, 11778005, 14629522, 23556010, 36573805, 73147610, 138980459, 277960918, 694902295, 1389804590]

約数ペア:

[(1, 1389804590), (2, 694902295), (5, 277960918), (10, 138980459), (19, 73147610), (38, 36573805), (59, 23556010), (95, 14629522), (118, 11778005), (190, 7314761), (295, 4711202), (590, 2355601), (1121, 1239790), (2242, 619895), (5605, 247958), (11210, 123979)]