208962820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{677}}^1$

素因数の和:781

約数の個数: 96

約数和(自身を含む): 508467456

約数和(自身を除く): 299504636

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 61, 92, 110, 115, 122, 220, 230, 244, 253, 305, 460, 506, 610, 671, 677, 1012, 1220, 1265, 1342, 1354, 1403, 2530, 2684, 2708, 2806, 3355, 3385, 5060, 5612, 6710, 6770, 7015, 7447, 13420, 13540, 14030, 14894, 15433, 15571, 28060, 29788, 30866, 31142, 37235, 41297, 61732, 62284, 74470, 77165, 77855, 82594, 148940, 154330, 155710, 165188, 171281, 206485, 308660, 311420, 342562, 412970, 454267, 685124, 825940, 856405, 908534, 949831, 1712810, 1817068, 1899662, 2271335, 3425620, 3799324, 4542670, 4749155, 9085340, 9498310, 10448141, 18996620, 20896282, 41792564, 52240705, 104481410, 208962820]

約数ペア:

[(1, 208962820), (2, 104481410), (4, 52240705), (5, 41792564), (10, 20896282), (11, 18996620), (20, 10448141), (22, 9498310), (23, 9085340), (44, 4749155), (46, 4542670), (55, 3799324), (61, 3425620), (92, 2271335), (110, 1899662), (115, 1817068), (122, 1712810), (220, 949831), (230, 908534), (244, 856405), (253, 825940), (305, 685124), (460, 454267), (506, 412970), (610, 342562), (671, 311420), (677, 308660), (1012, 206485), (1220, 171281), (1265, 165188), (1342, 155710), (1354, 154330), (1403, 148940), (2530, 82594), (2684, 77855), (2708, 77165), (2806, 74470), (3355, 62284), (3385, 61732), (5060, 41297), (5612, 37235), (6710, 31142), (6770, 30866), (7015, 29788), (7447, 28060), (13420, 15571), (13540, 15433), (14030, 14894)]