208065760

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{26539}}^1$

素因数の和:26568

約数の個数: 72

約数和(自身を含む): 571830840

約数和(自身を除く): 363765080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 26539, 53078, 106156, 132695, 185773, 212312, 265390, 371546, 424624, 530780, 743092, 849248, 928865, 1061560, 1300411, 1486184, 1857730, 2123120, 2600822, 2972368, 3715460, 4246240, 5201644, 5944736, 6502055, 7430920, 10403288, 13004110, 14861840, 20806576, 26008220, 29723680, 41613152, 52016440, 104032880, 208065760]

約数ペア:

[(1, 208065760), (2, 104032880), (4, 52016440), (5, 41613152), (7, 29723680), (8, 26008220), (10, 20806576), (14, 14861840), (16, 13004110), (20, 10403288), (28, 7430920), (32, 6502055), (35, 5944736), (40, 5201644), (49, 4246240), (56, 3715460), (70, 2972368), (80, 2600822), (98, 2123120), (112, 1857730), (140, 1486184), (160, 1300411), (196, 1061560), (224, 928865), (245, 849248), (280, 743092), (392, 530780), (490, 424624), (560, 371546), (784, 265390), (980, 212312), (1120, 185773), (1568, 132695), (1960, 106156), (3920, 53078), (7840, 26539)]