209786640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{17839}}^1$

素因数の和:17869

約数の個数: 120

約数和(自身を含む): 756558720

約数和(自身を除く): 546772080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 17839, 35678, 53517, 71356, 89195, 107034, 124873, 142712, 178390, 214068, 249746, 267585, 285424, 356780, 374619, 428136, 499492, 535170, 624365, 713560, 749238, 856272, 874111, 998984, 1070340, 1248730, 1427120, 1498476, 1748222, 1873095, 1997968, 2140680, 2497460, 2622333, 2996952, 3496444, 3746190, 4281360, 4370555, 4994920, 5244666, 5993904, 6992888, 7492380, 8741110, 9989840, 10489332, 13111665, 13985776, 14984760, 17482220, 20978664, 26223330, 29969520, 34964440, 41957328, 52446660, 69928880, 104893320, 209786640]

約数ペア:

[(1, 209786640), (2, 104893320), (3, 69928880), (4, 52446660), (5, 41957328), (6, 34964440), (7, 29969520), (8, 26223330), (10, 20978664), (12, 17482220), (14, 14984760), (15, 13985776), (16, 13111665), (20, 10489332), (21, 9989840), (24, 8741110), (28, 7492380), (30, 6992888), (35, 5993904), (40, 5244666), (42, 4994920), (48, 4370555), (49, 4281360), (56, 3746190), (60, 3496444), (70, 2996952), (80, 2622333), (84, 2497460), (98, 2140680), (105, 1997968), (112, 1873095), (120, 1748222), (140, 1498476), (147, 1427120), (168, 1248730), (196, 1070340), (210, 998984), (240, 874111), (245, 856272), (280, 749238), (294, 713560), (336, 624365), (392, 535170), (420, 499492), (490, 428136), (560, 374619), (588, 356780), (735, 285424), (784, 267585), (840, 249746), (980, 214068), (1176, 178390), (1470, 142712), (1680, 124873), (1960, 107034), (2352, 89195), (2940, 71356), (3920, 53517), (5880, 35678), (11760, 17839)]