388686420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3919}}^1$

素因数の和:3982

約数の個数: 144

約数和(自身を含む): 1284192000

約数和(自身を除く): 895505580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 29, 30, 36, 38, 45, 57, 58, 60, 76, 87, 90, 95, 114, 116, 145, 171, 174, 180, 190, 228, 261, 285, 290, 342, 348, 380, 435, 522, 551, 570, 580, 684, 855, 870, 1044, 1102, 1140, 1305, 1653, 1710, 1740, 2204, 2610, 2755, 3306, 3420, 3919, 4959, 5220, 5510, 6612, 7838, 8265, 9918, 11020, 11757, 15676, 16530, 19595, 19836, 23514, 24795, 33060, 35271, 39190, 47028, 49590, 58785, 70542, 74461, 78380, 99180, 113651, 117570, 141084, 148922, 176355, 223383, 227302, 235140, 297844, 340953, 352710, 372305, 446766, 454604, 568255, 670149, 681906, 705420, 744610, 893532, 1022859, 1116915, 1136510, 1340298, 1363812, 1489220, 1704765, 2045718, 2159369, 2233830, 2273020, 2680596, 3350745, 3409530, 4091436, 4318738, 4467660, 5114295, 6478107, 6701490, 6819060, 8637476, 10228590, 10796845, 12956214, 13402980, 19434321, 20457180, 21593690, 25912428, 32390535, 38868642, 43187380, 64781070, 77737284, 97171605, 129562140, 194343210, 388686420]

約数ペア:

[(1, 388686420), (2, 194343210), (3, 129562140), (4, 97171605), (5, 77737284), (6, 64781070), (9, 43187380), (10, 38868642), (12, 32390535), (15, 25912428), (18, 21593690), (19, 20457180), (20, 19434321), (29, 13402980), (30, 12956214), (36, 10796845), (38, 10228590), (45, 8637476), (57, 6819060), (58, 6701490), (60, 6478107), (76, 5114295), (87, 4467660), (90, 4318738), (95, 4091436), (114, 3409530), (116, 3350745), (145, 2680596), (171, 2273020), (174, 2233830), (180, 2159369), (190, 2045718), (228, 1704765), (261, 1489220), (285, 1363812), (290, 1340298), (342, 1136510), (348, 1116915), (380, 1022859), (435, 893532), (522, 744610), (551, 705420), (570, 681906), (580, 670149), (684, 568255), (855, 454604), (870, 446766), (1044, 372305), (1102, 352710), (1140, 340953), (1305, 297844), (1653, 235140), (1710, 227302), (1740, 223383), (2204, 176355), (2610, 148922), (2755, 141084), (3306, 117570), (3420, 113651), (3919, 99180), (4959, 78380), (5220, 74461), (5510, 70542), (6612, 58785), (7838, 49590), (8265, 47028), (9918, 39190), (11020, 35271), (11757, 33060), (15676, 24795), (16530, 23514), (19595, 19836)]