169486280

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{38873}}^1$

素因数の和:38993

約数の個数: 32

約数和(自身を含む): 384852600

約数和(自身を除く): 215366320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 38873, 77746, 155492, 194365, 310984, 388730, 777460, 1554920, 4237157, 8474314, 16948628, 21185785, 33897256, 42371570, 84743140, 169486280]

約数ペア:

[(1, 169486280), (2, 84743140), (4, 42371570), (5, 33897256), (8, 21185785), (10, 16948628), (20, 8474314), (40, 4237157), (109, 1554920), (218, 777460), (436, 388730), (545, 310984), (872, 194365), (1090, 155492), (2180, 77746), (4360, 38873)]