9803080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:398

約数の個数: 64

約数和(自身を含む): 25482240

約数和(自身を除く): 15679160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 157, 223, 280, 314, 446, 628, 785, 892, 1099, 1115, 1256, 1561, 1570, 1784, 2198, 2230, 3122, 3140, 4396, 4460, 5495, 6244, 6280, 7805, 8792, 8920, 10990, 12488, 15610, 21980, 31220, 35011, 43960, 62440, 70022, 140044, 175055, 245077, 280088, 350110, 490154, 700220, 980308, 1225385, 1400440, 1960616, 2450770, 4901540, 9803080]

約数ペア:

[(1, 9803080), (2, 4901540), (4, 2450770), (5, 1960616), (7, 1400440), (8, 1225385), (10, 980308), (14, 700220), (20, 490154), (28, 350110), (35, 280088), (40, 245077), (56, 175055), (70, 140044), (140, 70022), (157, 62440), (223, 43960), (280, 35011), (314, 31220), (446, 21980), (628, 15610), (785, 12488), (892, 10990), (1099, 8920), (1115, 8792), (1256, 7805), (1561, 6280), (1570, 6244), (1784, 5495), (2198, 4460), (2230, 4396), (3122, 3140)]