4901540

素因数分解:

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

素因数の和:396

約数の個数: 48

約数和(自身を含む): 11891712

約数和(自身を除く): 6990172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 223, 314, 446, 628, 785, 892, 1099, 1115, 1561, 1570, 2198, 2230, 3122, 3140, 4396, 4460, 5495, 6244, 7805, 10990, 15610, 21980, 31220, 35011, 70022, 140044, 175055, 245077, 350110, 490154, 700220, 980308, 1225385, 2450770, 4901540]

約数ペア:

[(1, 4901540), (2, 2450770), (4, 1225385), (5, 980308), (7, 700220), (10, 490154), (14, 350110), (20, 245077), (28, 175055), (35, 140044), (70, 70022), (140, 35011), (157, 31220), (223, 21980), (314, 15610), (446, 10990), (628, 7805), (785, 6244), (892, 5495), (1099, 4460), (1115, 4396), (1561, 3140), (1570, 3122), (2198, 2230)]