209889240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{5483}}^1$

素因数の和:5537

約数の個数: 128

約数和(自身を含む): 710726400

約数和(自身を除く): 500837160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 29, 30, 33, 40, 44, 55, 58, 60, 66, 87, 88, 110, 116, 120, 132, 145, 165, 174, 220, 232, 264, 290, 319, 330, 348, 435, 440, 580, 638, 660, 696, 870, 957, 1160, 1276, 1320, 1595, 1740, 1914, 2552, 3190, 3480, 3828, 4785, 5483, 6380, 7656, 9570, 10966, 12760, 16449, 19140, 21932, 27415, 32898, 38280, 43864, 54830, 60313, 65796, 82245, 109660, 120626, 131592, 159007, 164490, 180939, 219320, 241252, 301565, 318014, 328980, 361878, 477021, 482504, 603130, 636028, 657960, 723756, 795035, 904695, 954042, 1206260, 1272056, 1447512, 1590070, 1749077, 1809390, 1908084, 2385105, 2412520, 3180140, 3498154, 3618780, 3816168, 4770210, 5247231, 6360280, 6996308, 7237560, 8745385, 9540420, 10494462, 13992616, 17490770, 19080840, 20988924, 26236155, 34981540, 41977848, 52472310, 69963080, 104944620, 209889240]

約数ペア:

[(1, 209889240), (2, 104944620), (3, 69963080), (4, 52472310), (5, 41977848), (6, 34981540), (8, 26236155), (10, 20988924), (11, 19080840), (12, 17490770), (15, 13992616), (20, 10494462), (22, 9540420), (24, 8745385), (29, 7237560), (30, 6996308), (33, 6360280), (40, 5247231), (44, 4770210), (55, 3816168), (58, 3618780), (60, 3498154), (66, 3180140), (87, 2412520), (88, 2385105), (110, 1908084), (116, 1809390), (120, 1749077), (132, 1590070), (145, 1447512), (165, 1272056), (174, 1206260), (220, 954042), (232, 904695), (264, 795035), (290, 723756), (319, 657960), (330, 636028), (348, 603130), (435, 482504), (440, 477021), (580, 361878), (638, 328980), (660, 318014), (696, 301565), (870, 241252), (957, 219320), (1160, 180939), (1276, 164490), (1320, 159007), (1595, 131592), (1740, 120626), (1914, 109660), (2552, 82245), (3190, 65796), (3480, 60313), (3828, 54830), (4785, 43864), (5483, 38280), (6380, 32898), (7656, 27415), (9570, 21932), (10966, 19140), (12760, 16449)]