204090880

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{1627}}^1$

素因数の和:1664

約数の個数: 120

約数和(自身を含む): 569581848

約数和(自身を除く): 365490968

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1627, 1792, 1960, 2240, 2560, 3136, 3254, 3584, 3920, 4480, 6272, 6508, 7840, 8135, 8960, 11389, 12544, 13016, 15680, 16270, 17920, 22778, 25088, 26032, 31360, 32540, 45556, 52064, 56945, 62720, 65080, 79723, 91112, 104128, 113890, 125440, 130160, 159446, 182224, 208256, 227780, 260320, 318892, 364448, 398615, 416512, 455560, 520640, 637784, 728896, 797230, 833024, 911120, 1041280, 1275568, 1457792, 1594460, 1822240, 2082560, 2551136, 2915584, 3188920, 3644480, 4165120, 5102272, 5831168, 6377840, 7288960, 10204544, 12755680, 14577920, 20409088, 25511360, 29155840, 40818176, 51022720, 102045440, 204090880]

約数ペア:

[(1, 204090880), (2, 102045440), (4, 51022720), (5, 40818176), (7, 29155840), (8, 25511360), (10, 20409088), (14, 14577920), (16, 12755680), (20, 10204544), (28, 7288960), (32, 6377840), (35, 5831168), (40, 5102272), (49, 4165120), (56, 3644480), (64, 3188920), (70, 2915584), (80, 2551136), (98, 2082560), (112, 1822240), (128, 1594460), (140, 1457792), (160, 1275568), (196, 1041280), (224, 911120), (245, 833024), (256, 797230), (280, 728896), (320, 637784), (392, 520640), (448, 455560), (490, 416512), (512, 398615), (560, 364448), (640, 318892), (784, 260320), (896, 227780), (980, 208256), (1120, 182224), (1280, 159446), (1568, 130160), (1627, 125440), (1792, 113890), (1960, 104128), (2240, 91112), (2560, 79723), (3136, 65080), (3254, 62720), (3584, 56945), (3920, 52064), (4480, 45556), (6272, 32540), (6508, 31360), (7840, 26032), (8135, 25088), (8960, 22778), (11389, 17920), (12544, 16270), (13016, 15680)]