208515580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{1259}}^1$

素因数の和:1308

約数の個数: 108

約数和(自身を含む): 552008520

約数和(自身を除く): 343492940

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 169, 182, 196, 245, 260, 338, 364, 455, 490, 637, 676, 845, 910, 980, 1183, 1259, 1274, 1690, 1820, 2366, 2518, 2548, 3185, 3380, 4732, 5036, 5915, 6295, 6370, 8281, 8813, 11830, 12590, 12740, 16367, 16562, 17626, 23660, 25180, 32734, 33124, 35252, 41405, 44065, 61691, 65468, 81835, 82810, 88130, 114569, 123382, 163670, 165620, 176260, 212771, 229138, 246764, 308455, 327340, 425542, 458276, 572845, 616910, 801983, 851084, 1063855, 1145690, 1233820, 1489397, 1603966, 2127710, 2291380, 2978794, 3207932, 4009915, 4255420, 5957588, 7446985, 8019830, 10425779, 14893970, 16039660, 20851558, 29787940, 41703116, 52128895, 104257790, 208515580]

約数ペア:

[(1, 208515580), (2, 104257790), (4, 52128895), (5, 41703116), (7, 29787940), (10, 20851558), (13, 16039660), (14, 14893970), (20, 10425779), (26, 8019830), (28, 7446985), (35, 5957588), (49, 4255420), (52, 4009915), (65, 3207932), (70, 2978794), (91, 2291380), (98, 2127710), (130, 1603966), (140, 1489397), (169, 1233820), (182, 1145690), (196, 1063855), (245, 851084), (260, 801983), (338, 616910), (364, 572845), (455, 458276), (490, 425542), (637, 327340), (676, 308455), (845, 246764), (910, 229138), (980, 212771), (1183, 176260), (1259, 165620), (1274, 163670), (1690, 123382), (1820, 114569), (2366, 88130), (2518, 82810), (2548, 81835), (3185, 65468), (3380, 61691), (4732, 44065), (5036, 41405), (5915, 35252), (6295, 33124), (6370, 32734), (8281, 25180), (8813, 23660), (11830, 17626), (12590, 16562), (12740, 16367)]