79397200

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:405

約数の個数: 120

約数和(自身を含む): 207883520

約数和(自身を除く): 128486320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 38, 40, 50, 62, 76, 80, 95, 100, 124, 152, 155, 190, 200, 248, 304, 310, 337, 380, 400, 475, 496, 589, 620, 674, 760, 775, 950, 1178, 1240, 1348, 1520, 1550, 1685, 1900, 2356, 2480, 2696, 2945, 3100, 3370, 3800, 4712, 5392, 5890, 6200, 6403, 6740, 7600, 8425, 9424, 10447, 11780, 12400, 12806, 13480, 14725, 16850, 20894, 23560, 25612, 26960, 29450, 32015, 33700, 41788, 47120, 51224, 52235, 58900, 64030, 67400, 83576, 102448, 104470, 117800, 128060, 134800, 160075, 167152, 198493, 208940, 235600, 256120, 261175, 320150, 396986, 417880, 512240, 522350, 640300, 793972, 835760, 992465, 1044700, 1280600, 1587944, 1984930, 2089400, 2561200, 3175888, 3969860, 4178800, 4962325, 7939720, 9924650, 15879440, 19849300, 39698600, 79397200]

約数ペア:

[(1, 79397200), (2, 39698600), (4, 19849300), (5, 15879440), (8, 9924650), (10, 7939720), (16, 4962325), (19, 4178800), (20, 3969860), (25, 3175888), (31, 2561200), (38, 2089400), (40, 1984930), (50, 1587944), (62, 1280600), (76, 1044700), (80, 992465), (95, 835760), (100, 793972), (124, 640300), (152, 522350), (155, 512240), (190, 417880), (200, 396986), (248, 320150), (304, 261175), (310, 256120), (337, 235600), (380, 208940), (400, 198493), (475, 167152), (496, 160075), (589, 134800), (620, 128060), (674, 117800), (760, 104470), (775, 102448), (950, 83576), (1178, 67400), (1240, 64030), (1348, 58900), (1520, 52235), (1550, 51224), (1685, 47120), (1900, 41788), (2356, 33700), (2480, 32015), (2696, 29450), (2945, 26960), (3100, 25612), (3370, 23560), (3800, 20894), (4712, 16850), (5392, 14725), (5890, 13480), (6200, 12806), (6403, 12400), (6740, 11780), (7600, 10447), (8425, 9424)]