28480270

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1$

素因数の和:314

約数の個数: 96

約数和(自身を含む): 68257728

約数和(自身を除く): 39777458

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 49, 65, 70, 85, 91, 98, 119, 130, 170, 182, 221, 238, 245, 263, 442, 455, 490, 526, 595, 637, 833, 910, 1105, 1190, 1274, 1315, 1547, 1666, 1841, 2210, 2630, 3094, 3185, 3419, 3682, 4165, 4471, 6370, 6838, 7735, 8330, 8942, 9205, 10829, 12887, 15470, 17095, 18410, 21658, 22355, 23933, 25774, 31297, 34190, 44710, 47866, 54145, 58123, 62594, 64435, 108290, 116246, 119665, 128870, 156485, 167531, 219079, 239330, 290615, 312970, 335062, 406861, 438158, 581230, 813722, 837655, 1095395, 1675310, 2034305, 2190790, 2848027, 4068610, 5696054, 14240135, 28480270]

約数ペア:

[(1, 28480270), (2, 14240135), (5, 5696054), (7, 4068610), (10, 2848027), (13, 2190790), (14, 2034305), (17, 1675310), (26, 1095395), (34, 837655), (35, 813722), (49, 581230), (65, 438158), (70, 406861), (85, 335062), (91, 312970), (98, 290615), (119, 239330), (130, 219079), (170, 167531), (182, 156485), (221, 128870), (238, 119665), (245, 116246), (263, 108290), (442, 64435), (455, 62594), (490, 58123), (526, 54145), (595, 47866), (637, 44710), (833, 34190), (910, 31297), (1105, 25774), (1190, 23933), (1274, 22355), (1315, 21658), (1547, 18410), (1666, 17095), (1841, 15470), (2210, 12887), (2630, 10829), (3094, 9205), (3185, 8942), (3419, 8330), (3682, 7735), (4165, 6838), (4471, 6370)]