977767060

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1\times {\mathrm{1153}}^1$

素因数の和:1660

約数の個数: 48

約数和(自身を含む): 2079277200

約数和(自身を除く): 1101510140

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 389, 436, 545, 778, 1090, 1153, 1556, 1945, 2180, 2306, 3890, 4612, 5765, 7780, 11530, 23060, 42401, 84802, 125677, 169604, 212005, 251354, 424010, 448517, 502708, 628385, 848020, 897034, 1256770, 1794068, 2242585, 2513540, 4485170, 8970340, 48888353, 97776706, 195553412, 244441765, 488883530, 977767060]

約数ペア:

[(1, 977767060), (2, 488883530), (4, 244441765), (5, 195553412), (10, 97776706), (20, 48888353), (109, 8970340), (218, 4485170), (389, 2513540), (436, 2242585), (545, 1794068), (778, 1256770), (1090, 897034), (1153, 848020), (1556, 628385), (1945, 502708), (2180, 448517), (2306, 424010), (3890, 251354), (4612, 212005), (5765, 169604), (7780, 125677), (11530, 84802), (23060, 42401)]