2020134700

素因数分解:

$2^2\times 5^2\times {\mathrm{157}}^1\times {\mathrm{223}}^1\times {\mathrm{577}}^1$

素因数の和:971

約数の個数: 72

約数和(自身を含む): 4439076992

約数和(自身を除く): 2418942292

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 157, 223, 314, 446, 577, 628, 785, 892, 1115, 1154, 1570, 2230, 2308, 2885, 3140, 3925, 4460, 5575, 5770, 7850, 11150, 11540, 14425, 15700, 22300, 28850, 35011, 57700, 70022, 90589, 128671, 140044, 175055, 181178, 257342, 350110, 362356, 452945, 514684, 643355, 700220, 875275, 905890, 1286710, 1750550, 1811780, 2264725, 2573420, 3216775, 3501100, 4529450, 6433550, 9058900, 12867100, 20201347, 40402694, 80805388, 101006735, 202013470, 404026940, 505033675, 1010067350, 2020134700]

約数ペア:

[(1, 2020134700), (2, 1010067350), (4, 505033675), (5, 404026940), (10, 202013470), (20, 101006735), (25, 80805388), (50, 40402694), (100, 20201347), (157, 12867100), (223, 9058900), (314, 6433550), (446, 4529450), (577, 3501100), (628, 3216775), (785, 2573420), (892, 2264725), (1115, 1811780), (1154, 1750550), (1570, 1286710), (2230, 905890), (2308, 875275), (2885, 700220), (3140, 643355), (3925, 514684), (4460, 452945), (5575, 362356), (5770, 350110), (7850, 257342), (11150, 181178), (11540, 175055), (14425, 140044), (15700, 128671), (22300, 90589), (28850, 70022), (35011, 57700)]