400777630

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{84731}}^1$

素因数の和:84792

約数の個数: 32

約数和(自身を含む): 805292928

約数和(自身を除く): 404515298

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4730, 84731, 169462, 423655, 847310, 932041, 1864082, 3643433, 4660205, 7286866, 9320410, 18217165, 36434330, 40077763, 80155526, 200388815, 400777630]

約数ペア:

[(1, 400777630), (2, 200388815), (5, 80155526), (10, 40077763), (11, 36434330), (22, 18217165), (43, 9320410), (55, 7286866), (86, 4660205), (110, 3643433), (215, 1864082), (430, 932041), (473, 847310), (946, 423655), (2365, 169462), (4730, 84731)]