17752790020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{249127}}^1$

素因数の和:249652

約数の個数: 48

約数和(自身を含む): 42690574080

約数和(自身を除く): 24937784060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509, 1018, 2036, 2545, 3563, 5090, 7126, 10180, 14252, 17815, 35630, 71260, 249127, 498254, 996508, 1245635, 1743889, 2491270, 3487778, 4982540, 6975556, 8719445, 17438890, 34877780, 126805643, 253611286, 507222572, 634028215, 887639501, 1268056430, 1775279002, 2536112860, 3550558004, 4438197505, 8876395010, 17752790020]

約数ペア:

[(1, 17752790020), (2, 8876395010), (4, 4438197505), (5, 3550558004), (7, 2536112860), (10, 1775279002), (14, 1268056430), (20, 887639501), (28, 634028215), (35, 507222572), (70, 253611286), (140, 126805643), (509, 34877780), (1018, 17438890), (2036, 8719445), (2545, 6975556), (3563, 4982540), (5090, 3487778), (7126, 2491270), (10180, 1743889), (14252, 1245635), (17815, 996508), (35630, 498254), (71260, 249127)]