90178370

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{27919}}^1$

素因数の和:27962

約数の個数: 32

約数和(自身を含む): 180921600

約数和(自身を除く): 90743230

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 27919, 55838, 139595, 279190, 474623, 530461, 949246, 1060922, 2373115, 2652305, 4746230, 5304610, 9017837, 18035674, 45089185, 90178370]

約数ペア:

[(1, 90178370), (2, 45089185), (5, 18035674), (10, 9017837), (17, 5304610), (19, 4746230), (34, 2652305), (38, 2373115), (85, 1060922), (95, 949246), (170, 530461), (190, 474623), (323, 279190), (646, 139595), (1615, 55838), (3230, 27919)]