396494000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:380

約数の個数: 160

約数和(自身を含む): 1109262336

約数和(自身を除く): 712768336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 127, 140, 175, 200, 223, 250, 254, 280, 350, 400, 446, 500, 508, 560, 635, 700, 875, 889, 892, 1000, 1016, 1115, 1270, 1400, 1561, 1750, 1778, 1784, 2000, 2032, 2230, 2540, 2800, 3122, 3175, 3500, 3556, 3568, 4445, 4460, 5080, 5575, 6244, 6350, 7000, 7112, 7805, 8890, 8920, 10160, 11150, 12488, 12700, 14000, 14224, 15610, 15875, 17780, 17840, 22225, 22300, 24976, 25400, 27875, 28321, 31220, 31750, 35560, 39025, 44450, 44600, 50800, 55750, 56642, 62440, 63500, 71120, 78050, 88900, 89200, 111125, 111500, 113284, 124880, 127000, 141605, 156100, 177800, 195125, 198247, 222250, 223000, 226568, 254000, 283210, 312200, 355600, 390250, 396494, 444500, 446000, 453136, 566420, 624400, 708025, 780500, 792988, 889000, 991235, 1132840, 1416050, 1561000, 1585976, 1778000, 1982470, 2265680, 2832100, 3122000, 3171952, 3540125, 3964940, 4956175, 5664200, 7080250, 7929880, 9912350, 11328400, 14160500, 15859760, 19824700, 24780875, 28321000, 39649400, 49561750, 56642000, 79298800, 99123500, 198247000, 396494000]

約数ペア:

[(1, 396494000), (2, 198247000), (4, 99123500), (5, 79298800), (7, 56642000), (8, 49561750), (10, 39649400), (14, 28321000), (16, 24780875), (20, 19824700), (25, 15859760), (28, 14160500), (35, 11328400), (40, 9912350), (50, 7929880), (56, 7080250), (70, 5664200), (80, 4956175), (100, 3964940), (112, 3540125), (125, 3171952), (127, 3122000), (140, 2832100), (175, 2265680), (200, 1982470), (223, 1778000), (250, 1585976), (254, 1561000), (280, 1416050), (350, 1132840), (400, 991235), (446, 889000), (500, 792988), (508, 780500), (560, 708025), (635, 624400), (700, 566420), (875, 453136), (889, 446000), (892, 444500), (1000, 396494), (1016, 390250), (1115, 355600), (1270, 312200), (1400, 283210), (1561, 254000), (1750, 226568), (1778, 223000), (1784, 222250), (2000, 198247), (2032, 195125), (2230, 177800), (2540, 156100), (2800, 141605), (3122, 127000), (3175, 124880), (3500, 113284), (3556, 111500), (3568, 111125), (4445, 89200), (4460, 88900), (5080, 78050), (5575, 71120), (6244, 63500), (6350, 62440), (7000, 56642), (7112, 55750), (7805, 50800), (8890, 44600), (8920, 44450), (10160, 39025), (11150, 35560), (12488, 31750), (12700, 31220), (14000, 28321), (14224, 27875), (15610, 25400), (15875, 24976), (17780, 22300), (17840, 22225)]