219217120

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{229}}^1$

素因数の和:468

約数の個数: 96

約数和(自身を含む): 539723520

約数和(自身を除く): 320506400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 193, 229, 248, 310, 386, 458, 496, 620, 772, 916, 965, 992, 1145, 1240, 1544, 1832, 1930, 2290, 2480, 3088, 3664, 3860, 4580, 4960, 5983, 6176, 7099, 7328, 7720, 9160, 11966, 14198, 15440, 18320, 23932, 28396, 29915, 30880, 35495, 36640, 44197, 47864, 56792, 59830, 70990, 88394, 95728, 113584, 119660, 141980, 176788, 191456, 220985, 227168, 239320, 283960, 353576, 441970, 478640, 567920, 707152, 883940, 957280, 1135840, 1370107, 1414304, 1767880, 2740214, 3535760, 5480428, 6850535, 7071520, 10960856, 13701070, 21921712, 27402140, 43843424, 54804280, 109608560, 219217120]

約数ペア:

[(1, 219217120), (2, 109608560), (4, 54804280), (5, 43843424), (8, 27402140), (10, 21921712), (16, 13701070), (20, 10960856), (31, 7071520), (32, 6850535), (40, 5480428), (62, 3535760), (80, 2740214), (124, 1767880), (155, 1414304), (160, 1370107), (193, 1135840), (229, 957280), (248, 883940), (310, 707152), (386, 567920), (458, 478640), (496, 441970), (620, 353576), (772, 283960), (916, 239320), (965, 227168), (992, 220985), (1145, 191456), (1240, 176788), (1544, 141980), (1832, 119660), (1930, 113584), (2290, 95728), (2480, 88394), (3088, 70990), (3664, 59830), (3860, 56792), (4580, 47864), (4960, 44197), (5983, 36640), (6176, 35495), (7099, 30880), (7328, 29915), (7720, 28396), (9160, 23932), (11966, 18320), (14198, 15440)]