321971530

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{39409}}^1$

素因数の和:39478

約数の個数: 32

約数和(自身を含む): 624254400

約数和(自身を除く): 302282870

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 4085, 8170, 39409, 78818, 197045, 394090, 748771, 1497542, 1694587, 3389174, 3743855, 7487710, 8472935, 16945870, 32197153, 64394306, 160985765, 321971530]

約数ペア:

[(1, 321971530), (2, 160985765), (5, 64394306), (10, 32197153), (19, 16945870), (38, 8472935), (43, 7487710), (86, 3743855), (95, 3389174), (190, 1694587), (215, 1497542), (430, 748771), (817, 394090), (1634, 197045), (4085, 78818), (8170, 39409)]