28842770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^4\times {\mathrm{197}}^1$

素因数の和:248

約数の個数: 40

約数和(自身を含む): 57398220

約数和(自身を除く): 28555450

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 197, 242, 394, 605, 985, 1210, 1331, 1970, 2167, 2662, 4334, 6655, 10835, 13310, 14641, 21670, 23837, 29282, 47674, 73205, 119185, 146410, 238370, 262207, 524414, 1311035, 2622070, 2884277, 5768554, 14421385, 28842770]

約数ペア:

[(1, 28842770), (2, 14421385), (5, 5768554), (10, 2884277), (11, 2622070), (22, 1311035), (55, 524414), (110, 262207), (121, 238370), (197, 146410), (242, 119185), (394, 73205), (605, 47674), (985, 29282), (1210, 23837), (1331, 21670), (1970, 14641), (2167, 13310), (2662, 10835), (4334, 6655)]