255351630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{197947}}^1$

素因数の和:198000

約数の個数: 32

約数和(自身を含む): 627099264

約数和(自身を除く): 371747634

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 197947, 395894, 593841, 989735, 1187682, 1979470, 2969205, 5938410, 8511721, 17023442, 25535163, 42558605, 51070326, 85117210, 127675815, 255351630]

約数ペア:

[(1, 255351630), (2, 127675815), (3, 85117210), (5, 51070326), (6, 42558605), (10, 25535163), (15, 17023442), (30, 8511721), (43, 5938410), (86, 2969205), (129, 1979470), (215, 1187682), (258, 989735), (430, 593841), (645, 395894), (1290, 197947)]