209152980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{5839}}^1$

素因数の和:6053

約数の個数: 72

約数和(自身を含む): 637728000

約数和(自身を除く): 428575020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 199, 398, 597, 796, 995, 1194, 1791, 1990, 2388, 2985, 3582, 3980, 5839, 5970, 7164, 8955, 11678, 11940, 17517, 17910, 23356, 29195, 35034, 35820, 52551, 58390, 70068, 87585, 105102, 116780, 175170, 210204, 262755, 350340, 525510, 1051020, 1161961, 2323922, 3485883, 4647844, 5809805, 6971766, 10457649, 11619610, 13943532, 17429415, 20915298, 23239220, 34858830, 41830596, 52288245, 69717660, 104576490, 209152980]

約数ペア:

[(1, 209152980), (2, 104576490), (3, 69717660), (4, 52288245), (5, 41830596), (6, 34858830), (9, 23239220), (10, 20915298), (12, 17429415), (15, 13943532), (18, 11619610), (20, 10457649), (30, 6971766), (36, 5809805), (45, 4647844), (60, 3485883), (90, 2323922), (180, 1161961), (199, 1051020), (398, 525510), (597, 350340), (796, 262755), (995, 210204), (1194, 175170), (1791, 116780), (1990, 105102), (2388, 87585), (2985, 70068), (3582, 58390), (3980, 52551), (5839, 35820), (5970, 35034), (7164, 29195), (8955, 23356), (11678, 17910), (11940, 17517)]