8703458440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{144961}}^1$

素因数の和:145070

約数の個数: 64

約数和(自身を含む): 20874528000

約数和(自身を除く): 12171069560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 79, 95, 152, 158, 190, 316, 380, 395, 632, 760, 790, 1501, 1580, 3002, 3160, 6004, 7505, 12008, 15010, 30020, 60040, 144961, 289922, 579844, 724805, 1159688, 1449610, 2754259, 2899220, 5508518, 5798440, 11017036, 11451919, 13771295, 22034072, 22903838, 27542590, 45807676, 55085180, 57259595, 91615352, 110170360, 114519190, 217586461, 229038380, 435172922, 458076760, 870345844, 1087932305, 1740691688, 2175864610, 4351729220, 8703458440]

約数ペア:

[(1, 8703458440), (2, 4351729220), (4, 2175864610), (5, 1740691688), (8, 1087932305), (10, 870345844), (19, 458076760), (20, 435172922), (38, 229038380), (40, 217586461), (76, 114519190), (79, 110170360), (95, 91615352), (152, 57259595), (158, 55085180), (190, 45807676), (316, 27542590), (380, 22903838), (395, 22034072), (632, 13771295), (760, 11451919), (790, 11017036), (1501, 5798440), (1580, 5508518), (3002, 2899220), (3160, 2754259), (6004, 1449610), (7505, 1159688), (12008, 724805), (15010, 579844), (30020, 289922), (60040, 144961)]