2806409060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{81157}}^1$

素因数の和:81205

約数の個数: 96

約数和(自身を含む): 7635344640

約数和(自身を除く): 4828935580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 182, 190, 247, 260, 266, 364, 380, 455, 494, 532, 665, 910, 988, 1235, 1330, 1729, 1820, 2470, 2660, 3458, 4940, 6916, 8645, 17290, 34580, 81157, 162314, 324628, 405785, 568099, 811570, 1055041, 1136198, 1541983, 1623140, 2110082, 2272396, 2840495, 3083966, 4220164, 5275205, 5680990, 6167932, 7385287, 7709915, 10550410, 10793881, 11361980, 14770574, 15419830, 20045779, 21100820, 21587762, 29541148, 30839660, 36926435, 40091558, 43175524, 53969405, 73852870, 80183116, 100228895, 107938810, 140320453, 147705740, 200457790, 215877620, 280640906, 400915580, 561281812, 701602265, 1403204530, 2806409060]

約数ペア:

[(1, 2806409060), (2, 1403204530), (4, 701602265), (5, 561281812), (7, 400915580), (10, 280640906), (13, 215877620), (14, 200457790), (19, 147705740), (20, 140320453), (26, 107938810), (28, 100228895), (35, 80183116), (38, 73852870), (52, 53969405), (65, 43175524), (70, 40091558), (76, 36926435), (91, 30839660), (95, 29541148), (130, 21587762), (133, 21100820), (140, 20045779), (182, 15419830), (190, 14770574), (247, 11361980), (260, 10793881), (266, 10550410), (364, 7709915), (380, 7385287), (455, 6167932), (494, 5680990), (532, 5275205), (665, 4220164), (910, 3083966), (988, 2840495), (1235, 2272396), (1330, 2110082), (1729, 1623140), (1820, 1541983), (2470, 1136198), (2660, 1055041), (3458, 811570), (4940, 568099), (6916, 405785), (8645, 324628), (17290, 162314), (34580, 81157)]