138945100

素因数分解:

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

素因数の和:408

約数の個数: 144

約数和(自身を含む): 375531520

約数和(自身を除く): 236586420

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 31, 35, 38, 50, 62, 70, 76, 95, 100, 124, 133, 140, 155, 175, 190, 217, 266, 310, 337, 350, 380, 434, 475, 532, 589, 620, 665, 674, 700, 775, 868, 950, 1085, 1178, 1330, 1348, 1550, 1685, 1900, 2170, 2356, 2359, 2660, 2945, 3100, 3325, 3370, 4123, 4340, 4718, 5425, 5890, 6403, 6650, 6740, 8246, 8425, 9436, 10447, 10850, 11780, 11795, 12806, 13300, 14725, 16492, 16850, 20615, 20894, 21700, 23590, 25612, 29450, 32015, 33700, 41230, 41788, 44821, 47180, 52235, 58900, 58975, 64030, 73129, 82460, 89642, 103075, 104470, 117950, 128060, 146258, 160075, 179284, 198493, 206150, 208940, 224105, 235900, 261175, 292516, 320150, 365645, 396986, 412300, 448210, 522350, 640300, 731290, 793972, 896420, 992465, 1044700, 1120525, 1389451, 1462580, 1828225, 1984930, 2241050, 2778902, 3656450, 3969860, 4482100, 4962325, 5557804, 6947255, 7312900, 9924650, 13894510, 19849300, 27789020, 34736275, 69472550, 138945100]

約数ペア:

[(1, 138945100), (2, 69472550), (4, 34736275), (5, 27789020), (7, 19849300), (10, 13894510), (14, 9924650), (19, 7312900), (20, 6947255), (25, 5557804), (28, 4962325), (31, 4482100), (35, 3969860), (38, 3656450), (50, 2778902), (62, 2241050), (70, 1984930), (76, 1828225), (95, 1462580), (100, 1389451), (124, 1120525), (133, 1044700), (140, 992465), (155, 896420), (175, 793972), (190, 731290), (217, 640300), (266, 522350), (310, 448210), (337, 412300), (350, 396986), (380, 365645), (434, 320150), (475, 292516), (532, 261175), (589, 235900), (620, 224105), (665, 208940), (674, 206150), (700, 198493), (775, 179284), (868, 160075), (950, 146258), (1085, 128060), (1178, 117950), (1330, 104470), (1348, 103075), (1550, 89642), (1685, 82460), (1900, 73129), (2170, 64030), (2356, 58975), (2359, 58900), (2660, 52235), (2945, 47180), (3100, 44821), (3325, 41788), (3370, 41230), (4123, 33700), (4340, 32015), (4718, 29450), (5425, 25612), (5890, 23590), (6403, 21700), (6650, 20894), (6740, 20615), (8246, 16850), (8425, 16492), (9436, 14725), (10447, 13300), (10850, 12806), (11780, 11795)]