342498290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{7559}}^1$

素因数の和:7786

約数の個数: 32

約数和(自身を含む): 646652160

約数和(自身を除く): 304153870

約数列:

[1, 2, 5, 10, 23, 46, 115, 197, 230, 394, 985, 1970, 4531, 7559, 9062, 15118, 22655, 37795, 45310, 75590, 173857, 347714, 869285, 1489123, 1738570, 2978246, 7445615, 14891230, 34249829, 68499658, 171249145, 342498290]

約数ペア:

[(1, 342498290), (2, 171249145), (5, 68499658), (10, 34249829), (23, 14891230), (46, 7445615), (115, 2978246), (197, 1738570), (230, 1489123), (394, 869285), (985, 347714), (1970, 173857), (4531, 75590), (7559, 45310), (9062, 37795), (15118, 22655)]