9872390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:269

約数の個数: 48

約数和(自身を含む): 20109600

約数和(自身を除く): 10237210

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 121, 199, 205, 242, 398, 410, 451, 605, 902, 995, 1210, 1990, 2189, 2255, 4378, 4510, 4961, 8159, 9922, 10945, 16318, 21890, 24079, 24805, 40795, 48158, 49610, 81590, 89749, 120395, 179498, 240790, 448745, 897490, 987239, 1974478, 4936195, 9872390]

約数ペア:

[(1, 9872390), (2, 4936195), (5, 1974478), (10, 987239), (11, 897490), (22, 448745), (41, 240790), (55, 179498), (82, 120395), (110, 89749), (121, 81590), (199, 49610), (205, 48158), (242, 40795), (398, 24805), (410, 24079), (451, 21890), (605, 16318), (902, 10945), (995, 9922), (1210, 8159), (1990, 4961), (2189, 4510), (2255, 4378)]