2545605940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{4463}}^1$

素因数の和:4589

約数の個数: 72

約数和(自身を含む): 5714634240

約数和(自身を除く): 3169028300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 361, 380, 395, 722, 790, 1444, 1501, 1580, 1805, 3002, 3610, 4463, 6004, 7220, 7505, 8926, 15010, 17852, 22315, 28519, 30020, 44630, 57038, 84797, 89260, 114076, 142595, 169594, 285190, 339188, 352577, 423985, 570380, 705154, 847970, 1410308, 1611143, 1695940, 1762885, 3222286, 3525770, 6444572, 6698963, 7051540, 8055715, 13397926, 16111430, 26795852, 32222860, 33494815, 66989630, 127280297, 133979260, 254560594, 509121188, 636401485, 1272802970, 2545605940]

約数ペア:

[(1, 2545605940), (2, 1272802970), (4, 636401485), (5, 509121188), (10, 254560594), (19, 133979260), (20, 127280297), (38, 66989630), (76, 33494815), (79, 32222860), (95, 26795852), (158, 16111430), (190, 13397926), (316, 8055715), (361, 7051540), (380, 6698963), (395, 6444572), (722, 3525770), (790, 3222286), (1444, 1762885), (1501, 1695940), (1580, 1611143), (1805, 1410308), (3002, 847970), (3610, 705154), (4463, 570380), (6004, 423985), (7220, 352577), (7505, 339188), (8926, 285190), (15010, 169594), (17852, 142595), (22315, 114076), (28519, 89260), (30020, 84797), (44630, 57038)]