78177400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2939}}^1$

素因数の和:2981

約数の個数: 96

約数和(自身を含む): 218736000

約数和(自身を除く): 140558600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 25, 28, 35, 38, 40, 50, 56, 70, 76, 95, 100, 133, 140, 152, 175, 190, 200, 266, 280, 350, 380, 475, 532, 665, 700, 760, 950, 1064, 1330, 1400, 1900, 2660, 2939, 3325, 3800, 5320, 5878, 6650, 11756, 13300, 14695, 20573, 23512, 26600, 29390, 41146, 55841, 58780, 73475, 82292, 102865, 111682, 117560, 146950, 164584, 205730, 223364, 279205, 293900, 390887, 411460, 446728, 514325, 558410, 587800, 781774, 822920, 1028650, 1116820, 1396025, 1563548, 1954435, 2057300, 2233640, 2792050, 3127096, 3908870, 4114600, 5584100, 7817740, 9772175, 11168200, 15635480, 19544350, 39088700, 78177400]

約数ペア:

[(1, 78177400), (2, 39088700), (4, 19544350), (5, 15635480), (7, 11168200), (8, 9772175), (10, 7817740), (14, 5584100), (19, 4114600), (20, 3908870), (25, 3127096), (28, 2792050), (35, 2233640), (38, 2057300), (40, 1954435), (50, 1563548), (56, 1396025), (70, 1116820), (76, 1028650), (95, 822920), (100, 781774), (133, 587800), (140, 558410), (152, 514325), (175, 446728), (190, 411460), (200, 390887), (266, 293900), (280, 279205), (350, 223364), (380, 205730), (475, 164584), (532, 146950), (665, 117560), (700, 111682), (760, 102865), (950, 82292), (1064, 73475), (1330, 58780), (1400, 55841), (1900, 41146), (2660, 29390), (2939, 26600), (3325, 23512), (3800, 20573), (5320, 14695), (5878, 13300), (6650, 11756)]