27789020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:403

約数の個数: 96

約数和(自身を含む): 72683520

約数和(自身を除く): 44894500

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 62, 70, 76, 95, 124, 133, 140, 155, 190, 217, 266, 310, 337, 380, 434, 532, 589, 620, 665, 674, 868, 1085, 1178, 1330, 1348, 1685, 2170, 2356, 2359, 2660, 2945, 3370, 4123, 4340, 4718, 5890, 6403, 6740, 8246, 9436, 10447, 11780, 11795, 12806, 16492, 20615, 20894, 23590, 25612, 32015, 41230, 41788, 44821, 47180, 52235, 64030, 73129, 82460, 89642, 104470, 128060, 146258, 179284, 198493, 208940, 224105, 292516, 365645, 396986, 448210, 731290, 793972, 896420, 992465, 1389451, 1462580, 1984930, 2778902, 3969860, 5557804, 6947255, 13894510, 27789020]

約数ペア:

[(1, 27789020), (2, 13894510), (4, 6947255), (5, 5557804), (7, 3969860), (10, 2778902), (14, 1984930), (19, 1462580), (20, 1389451), (28, 992465), (31, 896420), (35, 793972), (38, 731290), (62, 448210), (70, 396986), (76, 365645), (95, 292516), (124, 224105), (133, 208940), (140, 198493), (155, 179284), (190, 146258), (217, 128060), (266, 104470), (310, 89642), (337, 82460), (380, 73129), (434, 64030), (532, 52235), (589, 47180), (620, 44821), (665, 41788), (674, 41230), (868, 32015), (1085, 25612), (1178, 23590), (1330, 20894), (1348, 20615), (1685, 16492), (2170, 12806), (2356, 11795), (2359, 11780), (2660, 10447), (2945, 9436), (3370, 8246), (4123, 6740), (4340, 6403), (4718, 5890)]